Wall Street flat but on track for seventh straight weekly gain

NEW YORK (Reuters) - Stocks were little changed on Friday as investors once again found few reasons to make big bets with the S&P 500 on track to close out a seventh straight week of gains.

Equities have struggled for direction recently, with major indexes moving only slightly in the past several sessions. The biggest daily move for the S&P in the past five sessions was on Tuesday, when it rose less than 0.2 percent.

The benchmark index, up nearly 7 percent so far this year, is facing strong technical resistance near the 1,525 level. But investors, expecting the index to advance further in the quarter, have held back from locking in profits.

"There's no news that suggests the strong underpinning for stocks isn't appropriate. We may have gotten ahead of ourselves, but there's also an absence of bad news," said Mark Luschini, chief investment strategist at Janney Montgomery Scott in Philadelphia.

Many investors are starting to look ahead to a debate in Washington over sequestration, automatic across-the-board spending cuts put in place as part of a larger congressional budget fight. The cuts are due to kick in March 1 unless lawmakers agree to an alternative.

"This had been far enough out to not yet become an impediment for stocks, but it will start to move into the forefront and cause people to take a bit of a jaundiced eye towards the market," said Luschini, who helps oversee about $54 billion in assets.

The New York Federal Reserve said manufacturing in New York state expanded for the first time in seven months, while Thomson Reuters/University of Michigan's preliminary reading of consumer sentiment rose from the prior month and beat expectations.

But U.S. manufacturing fell in January after a rise in the prior month.

Wall Street's gain thus far in 2013 has largely been driven by strong corporate earnings, while data indicated some weakening in economic conditions.

The Dow Jones industrial average <.dji> was up 11.27 points, or 0.08 percent, at 13,984.66. The Standard & Poor's 500 Index <.spx> was up 0.32 points, or 0.02 percent, at 1,521.70. The Nasdaq Composite Index <.ixic> was up 1.51 points, or 0.05 percent, at 3,200.17.

The benchmark S&P 500 is up 0.2 percent for the week and is on track to register its seventh straight week of gains by the close of trading Friday, a feat not seen since a run of consecutive weekly gains between December 2010 and January 2011.

A surge in merger and acquisition activity, with more than $158 billion in deals announced so far in 2013, has given further support to the equity market as it points to healthy valuations and bets on the economic outlook.

Herbalife shares pared earlier gains and were up 8.5 percent to $41.53, a day after billionaire investor Carl Icahn said in a regulatory filing that he now owns 13 percent of Herbalife and was ready to put it in play.

MeadWestvaco Corp climbed 10 percent to $34.90 as the biggest percentage gainer on the S&P index after activist investor Nelson Peltz's Trian Fund Management LP said in an SEC filing it had bought about 1.6 million shares of the packaging company.

Burger King Worldwide shares gained 4 percent to $17.25 after it beat estimates with a 94 percent rise in fourth-quarter profit, thanks to new menu additions.

Oil service stocks declined, weighed by a 5.6 percent drop in shares of Transocean to $55.99, after the rig contractor reported its fleet update and Deutsche Bank cut its rating on the stock to "sell." The PHLX oil service sector <.osx> lost 1.7 percent.

(Editing by Nick Zieminski)

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"Blade Runner" Pistorius charged with murdering girlfriend

JOHANNESBURG (Reuters) - South African "Blade Runner" Oscar Pistorius, a double amputee who became one of the biggest names in world athletics, was charged on Thursday with shooting dead his girlfriend at his upscale home in Pretoria.

Police said they opened a murder case after a 30-year-old woman was found dead at the Paralympic and Olympic star's house in the Silverlakes gated complex on the capital's outskirts.

Pistorius, 26, and his girlfriend, model Reeva Steenkamp, had been the only people in the house at the time of the shooting, police brigadier Denise Beukes told reporters, adding witnesses had been interviewed about the early morning incident.

"We are talking about neighbors and people that heard things earlier in the evening and when the shooting took place," Beukes said outside the heavily guarded residential complex.

Police said a 9mm pistol had been found at the scene.

Beukes said police were aware of previous incidents at the Pistorius house. "I can confirm that there has previously been incidents at the home of Mr Oscar Pistorious, of allegations of a domestic nature," she said.

Pistorius, who uses carbon fiber prosthetic blades to run, is due to appear in a Pretoria court on Friday.

"He is doing well but very emotional," his lawyer Kenny Oldwage told SABC TV, but gave no further comment.

A sports icon for triumphing over disability to compete with able-bodied athletes at the Olympics, his sponsorship deals, including one with sports apparel group Nike, are thought to be worth $2 million a year.

South Africa's M-Net cable TV channel said it was pulling adverts featuring Pistorius off air immediately after blanket coverage of the arrest in a country more used to honoring Pistorius as a national hero.

"WE ARE ALL DEVASTATED"

Steenkamp's colleagues in the modeling world were distraught. "We are all devastated. Her family is in shock," her agent, Sarita Tomlinson, tearfully told Reuters. "They did have a good relationship. Nobody actually knows what happened."

Pistorius, who was born without a fibula in both legs, was the first double amputee to run in the Olympics and reached the 400-metre semi-finals in London 2012.

In last year's Paralympics he suffered his first loss over 200 meters in nine years. After the race he questioned the legitimacy of Brazilian winner Alan Oliveira's prosthetic blades, though he was quick to express regret for the comments.

South Africa has some of the world's highest rates of violent crime, and many home owners have weapons to defend themselves against intruders, although Pistorius's complex is surrounded by a three-meter high wall and electric fence.

In 2004, Springbok rugby player Rudi Visagie shot dead his 19-year-old daughter after he mistakenly thought she was a robber trying to steal his car in the middle of the night.

Before the murder charge was announced, Johannesburg's Talk Radio 702 said the athlete may have mistaken Steenkamp for a burglar.

Pistorius was arrested in 2009 for assault after slamming a door on a woman and spent a night in police custody. Family and friends said it was just an accident and charges were dropped.

OLYMPIAN UNDERGOES POLICE TESTS

Steenkamp, a regular on the South African social scene, was reported to have been dating Pistorius for several months.

In the social pages of last weekend's Sunday Independent she described him as having "impeccable" taste. "His gifts are always thoughtful," she was quoted as saying.

Some of her last Twitter postings indicated she was looking forward to Valentine's Day on Thursday. "What do you have up your sleeve for your love tomorrow???" she posted.

Pistorius was on Thursday being processed through the police system. "At this stage he is on his way to a district surgeon for medical examination," the police brigadier said.

"When a person has been accused of a crime like murder they look at things like testing under the finger nails, taking a blood alcohol sample and all kinds of other test that are done. They are standard medical tests," Beukes said.

Pistorius is also sponsored by British telecoms firm BT, sunglasses maker Oakley and French designer Thierry Mugler.

"We are shocked by this terrible, tragic news. We await the outcome of the South African police investigation," a BT spokeswoman said before Pistorius was charged.

A Nike spokesman in London said before hearing of the murder charge that the company was "saddened by the news, but we have no further comment to make at this stage".

Pistorius also has a sponsorship deal with Icelandic prosthetics manufacturer Ossur.

"I can only say that our thoughts and prayers are with Oscar and the families involved in the tragedy," Ossur CEO Jon Sigurdsson told Reuters. "It is completely premature to discuss or speculate on our business relationship with him."

Neighbors expressed shock at the arrest of a "good guy".

"It is difficult to imagine an intruder entering this community, but we live in a country where intruders can get in wherever they want to," said one Silverlakes resident, who did not want to be named.

"Oscar is a good guy, an upstanding neighbor, and if he is innocent I feel for this guy deeply," he said.

(Additional reporting by Sherilee Lakmidas, David Dolan, Ed Cropley, Jon Herskovitz, Keith Weir and Kate Holton; Writing by Ed Cropley; Editing by Will Waterman)

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This Ring Rocks: See Engagement Bling Cobra Starship's Gabe Saporta Gave Erin Fetherston

Stylewatch
Style News Now

02/14/2013 at 01:52 PM ET

WireImage; Inset: Courtesy Erin Fetherston and Gabe Saporta

It’s official: Cobra Starship rocker Gabe Saporta and fashion designer Erin Fetherston are engaged!

Saporta popped the question to his bride-to-be on New Year’s Eve while on vacation in Barbados. “I woke up at dawn to go collect coral and flowers from the beach next to our cottage,” Saporta tells PEOPLE. “I used them to write out my proposal on our patio and then I woke Erin up in a frenzy to come see a ‘monkey’ that had appeared in our backyard. My sleepy-eyed bride quickly realized the only monkey that morning was me … and of course, she said,’Yes!’”

Saporta and Fetherson, who began dating in 2010, say they started seriously discussing marriage this past fall — and she was even involved in designing her ring. But Saporta couldn’t resist pulling a few fake-outs when it came to finally popping the question.

“Since she knew about the ring, surprising her with a proposal was going to prove a challenge,” he says. “My first step was to psych her out. On Christmas Eve, I gave her a nicely wrapped ring-box that did non contain her engagement ring. It contained a sick amethyst cocktail ring instead.”

Fetherston’s actual engagement ring, however, is no joke. Designed by Lorraine Schwartz, it’s an emerald-cut stone set in a pavé basket on a pavé band. “The platinum was oxidized to give the ring a vintage feeling,” says Fetherson. “I love it because it’s luminous and romantic, with the right amount of edge.”

While the couple are still in the planning stages for their big day, Fetherston already has ideas for her dress and ceremony. “I will definitely design my own dress,” she says, “and my fairytale aesthetic will undoubtedly influence the look and feel of the wedding.”

As for Saporta, who is recording a new album with his band, he says, “It’s gonna be a classy shindig.”

–Kevin O’Donnell

PHOTOS: SEE MORE GORGEOUS STAR ENGAGEMENT RINGS HERE!

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Study: Fish in drug-tainted water suffer reaction

BOSTON (AP) — What happens to fish that swim in waters tainted by traces of drugs that people take? When it's an anti-anxiety drug, they become hyper, anti-social and aggressive, a study found. They even get the munchies.

It may sound funny, but it could threaten the fish population and upset the delicate dynamics of the marine environment, scientists say.

The findings, published online Thursday in the journal Science, add to the mounting evidence that minuscule amounts of medicines in rivers and streams can alter the biology and behavior of fish and other marine animals.

"I think people are starting to understand that pharmaceuticals are environmental contaminants," said Dana Kolpin, a researcher for the U.S. Geological Survey who is familiar with the study.

Calling their results alarming, the Swedish researchers who did the study suspect the little drugged fish could become easier targets for bigger fish because they are more likely to venture alone into unfamiliar places.

"We know that in a predator-prey relation, increased boldness and activity combined with decreased sociality ... means you're going to be somebody's lunch quite soon," said Gregory Moller, a toxicologist at the University of Idaho and Washington State University. "It removes the natural balance."

Researchers around the world have been taking a close look at the effects of pharmaceuticals in extremely low concentrations, measured in parts per billion. Such drugs have turned up in waterways in Europe, the U.S. and elsewhere over the past decade.

They come mostly from humans and farm animals; the drugs pass through their bodies in unmetabolized form. These drug traces are then piped to water treatment plants, which are not designed to remove them from the cleaned water that flows back into streams and rivers.

The Associated Press first reported in 2008 that the drinking water of at least 51 million Americans carries low concentrations of many common drugs. The findings were based on questionnaires sent to water utilities, which reported the presence of antibiotics, sedatives, sex hormones and other drugs.

The news reports led to congressional hearings and legislation, more water testing and more public disclosure. To this day, though, there are no mandatory U.S. limits on pharmaceuticals in waterways.

The research team at Sweden's Umea University used minute concentrations of 2 parts per billion of the anti-anxiety drug oxazepam, similar to concentrations found in real waters. The drug belongs to a widely used class of medicines known as benzodiazepines that includes Valium and Librium.

The team put young wild European perch into an aquarium, exposed them to these highly diluted drugs and then carefully measured feeding, schooling, movement and hiding behavior. They found that drug-exposed fish moved more, fed more aggressively, hid less and tended to school less than unexposed fish. On average, the drugged fish were more than twice as active as the others, researcher Micael Jonsson said. The effects were more pronounced at higher drug concentrations.

"Our first thought is, this is like a person diagnosed with ADHD," said Jonsson, referring to attention deficit-hyperactivity disorder. "They become asocial and more active than they should be."

Tomas Brodin, another member of the research team, called the drug's environmental impact a global problem. "We find these concentrations or close to them all over the world, and it's quite possible or even probable that these behavioral effects are taking place as we speak," he said Thursday in Boston at the annual meeting of the American Association for the Advancement of Science.

Most previous research on trace drugs and marine life has focused on biological changes, such as male fish that take on female characteristics. However, a 2009 study found that tiny concentrations of antidepressants made fathead minnows more vulnerable to predators.

It is not clear exactly how long-term drug exposure, beyond the seven days in this study, would affect real fish in real rivers and streams. The Swedish researchers argue that the drug-induced changes could jeopardize populations of this sport and commercial fish, which lives in both fresh and brackish water.

Water toxins specialist Anne McElroy of Stony Brook University in New York agreed: "These lower chronic exposures that may alter things like animals' mating behavior or its ability to catch food or its ability to avoid being eaten — over time, that could really affect a population."

Another possibility, the researchers said, is that more aggressive feeding by the perch on zooplankton could reduce the numbers of these tiny creatures. Since zooplankton feed on algae, a drop in their numbers could allow algae to grow unchecked. That, in turn, could choke other marine life.

The Swedish team said it is highly unlikely people would be harmed by eating such drug-exposed fish. Jonsson said a person would have to eat 4 tons of perch to consume the equivalent of a single pill.

Researchers said more work is needed to develop better ways of removing drugs from water at treatment plants. They also said unused drugs should be brought to take-back programs where they exist, instead of being flushed down the toilet. And they called on pharmaceutical companies to work on "greener" drugs that degrade more easily.

Sandoz, one of three companies approved to sell oxazepam in the U.S., "shares society's desire to protect the environment and takes steps to minimize the environmental impact of its products over their life cycle," spokeswoman Julie Masow said in an emailed statement. She provided no details.

___

Online:

Overview of the drug: http://www.nlm.nih.gov/medlineplus/druginfo/meds/a682050.html

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Wall Street flat near multi-year highs, M&A helps

NEW YORK (Reuters) - Stocks were little changed on Thursday as investors found few reasons to keep pushing prices higher with major averages near multi-year highs, though a flurry of merger deals kept indexes steady.

Wall Street has rallied lately, with the S&P 500 briefly hitting its highest intraday level since November 2007 in Wednesday's session. Still, there are few obvious catalysts to continue the rally, and while the S&P is on track for its third straight day of gains, none of those daily gains was more than 0.2 percent.

Shares of H.J. Heinz Co jumped 20 percent to $72.40 after it said Warren Buffett's Berkshire Hathaway and 3G Capital will buy the food company for $72.50 a share, or $28 billion including debt. Berkshire's class B shares rose 1.3 percent to $99.22.

Also supporting the market was data showing the number of Americans filing new claims for unemployment benefits fell more than expected in the latest week. The CBOE Volatility index <.vix> fell 1.4 percent, dropping to 12.8.

"While I'm not bearish, I don't see many upside motivations at these levels," said Donald Selkin, chief market strategist at National Securities in New York, who cited the low level of the VIX as a sign the market was overbought.

"We need to digest some of our gains to go higher, but people are so eager to buy on the dips that we're not even seeing dips anymore. People are just chasing the market higher."

Equities have struggled to break above their current levels, where they have been hovering for almost two weeks. The S&P 500 is up more than 6 percent so far this year.

Stocks fell earlier after a report the euro zone's gross domestic product contracted by the steepest amount since the first quarter of 2009. In addition, Japan's GDP shrank 0.1 percent in the fourth quarter, crushing expectations of a modest return to growth.

The Dow Jones industrial average <.dji> was down 10.21 points, or 0.07 percent, at 13,972.70. The Standard & Poor's 500 Index <.spx> was up 1.21 points, or 0.08 percent, at 1,521.54. The Nasdaq Composite Index <.ixic> was up 1.12 points, or 0.03 percent, at 3,197.99.

Constellation Brands soared more than 38 percent to $43.93 after AB InBev's deal to take over Mexican brewer Grupo Modelo was revised to grant Constellation perpetual rights to distribute Corona and other Modelo brands in the United States. U.S. shares of AB InBev gained 5.1 percent to $92.72.

American Airlines and US Airways Group said they plan to merge in a deal that will form the world's biggest air carrier, with an equity valuation of about $11 billion. US Airways shares fell 9.1 percent to $13.32.

Weakness in Europe contributed to a 5 percent drop in revenue from the region for Cisco Systems , which nonetheless beat estimates as it reported its results late Wednesday. The company's shares slid 1.3 percent to $20.87.

General Motors Co reported a weaker-than-expected fourth-quarter profit, also citing bigger losses in Europe alongside lower prices in its core North American market. The stock was off 2.8 percent at $27.88.

(Editing by Nick Zieminski)

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Ovation for Pope Benedict at final public mass

VATICAN CITY (Reuters) - A capacity crowd in St Peter's Basilica gave Pope Benedict a thunderous standing ovation on Wednesday at an emotional last public Mass before he resigns at the end of the month.

"Thank you. Now, let's return to prayer," the 85-year-old pontiff said, bringing an end to several minutes of applause that clearly moved him. In an unusual gesture, bishops took off their mitres in a sign of respect and a few of them wept.

One of the priests at the altar, which according to tradition rests above the tomb of St Peter, took out a handkerchief to dry his tears.

The Mass was moved to St Peter's from a venue in Rome so more people could attend. Hundreds of others waited outside.

Hours earlier in the Vatican's modern audience hall, a visibly moved Benedict tried to assure his worldwide flock, saying he was confident his decision to step down would not hurt the Church.

The Vatican, meanwhile, announced that a conclave to elect his successor would start sometime between March 15 and March 20, in keeping with Church rules about the timing of such gatherings after the papal see becomes vacant.

"Continue to pray for me, for the Church and for the future pope," he said in unscripted remarks at the start of his weekly general audience, his first public appearance since his shock decision on Monday that he will step down on February 28.

It was the first time Benedict, 85, who will retire to a convent inside the Vatican, exchanging the splendor of his 16th century Apostolic Palace for a sober modern residence, had uttered the words "future pope" in public.

Church officials are still so stunned by the move that the Vatican experts have yet to decide what his title will be and whether he will continue to wear the white of a pope, the red of a cardinal or the black of an ordinary priest.

His voice sounded strong at the audience but he was clearly moved and his eyes appeared to be watering as he reacted to the thunderous applause in the Vatican's vast audience hall, packed with more than 8,000 people.

In brief remarks in Italian that mirrored those he read in Latin to stunned cardinals on Monday he appeared to try to calm Catholics' fears of the unknown.

He message was that God would continue to guide the Church.

EXAMINATION OF CONSCIENCE

"I took this decision in full freedom for the good of the Church after praying for a long time and examining my conscience before God," he said.

He said he was "well aware of the gravity of such an act," but also aware that he no longer had the strength required to run the 1.2 billion member Roman Catholic Church, which has been beset by a string of scandals both in Rome and round the world.

Benedict said he was sustained by the "certainty that the Church belongs to Christ, who will never stop guiding it and caring for it" and suggested that the faithful should also feel comforted by this.

He said that he had "felt almost physically" the affection and kindness he had received since he announced the decision.

When Benedict resigned on Monday, the Vatican spokesman said the pontiff did not fear schism in the Church after his resignation.

Some 115 cardinals under the age of 80 will be eligible to enter a secret conclave to elect his successor.

Cardinals around the world have already begun informal consultations by phone and email to construct a profile of the man they think would be best suited to lead the Church in a period of continuing crisis.

The conservative Benedict has appointed more than half of the cardinals who will elect his successor so it is unlikely the new man will tamper with any teachings such as the ban on artificial birth control or women priests.

But many in the Church have been calling for the election of someone who they say will be a better listener to other opinions in the Church.

The likelihood that the next pope would be a younger man and perhaps a non-Italian, was increasing, particularly because of the many mishaps caused by Benedict's mostly Italian top aides.

Benedict has been faulted for putting too much power in the hands of his friend, Secretary of State Cardinal Tarcisio Bertone. Critics of Bertone, effectively the Vatican's chief administrator, said he should have prevented some papal mishaps and bureaucratic blunders.

ILL-SERVED POPE

"These scandals, these miscommunications, in many cases were caused by Pope Benedict's own top aides and I think a lot of Catholics around the world think that he was perhaps ill-served by some of the cardinals here," said John Thavis, author of a new book, The Vatican Diaries.

Benedict's papacy was rocked by crises over sex abuse of children by priests in Europe and the United States, most of which preceded his time in office but came to light during it.

His reign also saw Muslim anger after he compared Islam with violence. Jews were upset over rehabilitation of a Holocaust denier. During a scandal over the Church's business dealings, his butler was accused of leaking his private papers.

"When cardinals arrive here for the conclave ... they are going to have this on their mind, they're going to take a good hard look at how Pope Benedict was served, and I think many of them feel that the burden of the papacy that finally weighed so heavy on Benedict was caused in part by some of this in-fighting (among his administration)," Thavis told Reuters.

Vatican spokesman Father Federico Lombardi urged the faithful to remain confident in the Church and its future.

"Those who may feel a bit disorientated or stunned by this, or have a hard time understanding the Holy Father's decision should look at it in the context of faith and the certainty that Christ will support his Church," Lombardi said.

Lombardi said that on his last day in office, Benedict would receive cardinals in a farewell meeting and after February 28 his ring of office, used to seal official documents, would be destroyed just as if he had died.

(Reporting by Philip Pullella; Editing by Giles Elgood)

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Harley Pasternak Blogs: 8 Reasons Why Sex Is Great for Your Health

Celebrity Blog

By Harley Pasternak

02/13/2013 at 02:30 PM EST

As Valentine's Day draws near, many of you will be wining, dining and romancing your way into someone's heart. If you're lucky, things will go well, and you may GET lucky! Not only will you have a fun evening of intimacy, but you may live longer for it.

Here are some of the reasons science tells us sex is good for our bodies, inside and out.

1. Sex Relieves Stress

Perhaps the most enjoyable way to blow off some steam, research has shown that people who are sexually active respond better in stressful situations and have lower levels of overall stress. Sex increases our levels of oxytocin, a stress fighting hormone. In a fascinating study of the effect of intercourse on acute stress, researchers found that people who had sex the night before public speaking, had a reduced pulse increase, and far lower blood pressure than those who had not. Which brings me to No. 2 ...

2. Sex Is Good for Your Heart – in More Ways Than One

Over the years, there have been a number of studies shown that sex is good for cardiovascular health. Again and again, it's been linked to increased circulation, lower cholesterol and lower blood pressure. In 2010, Brazil's minister of health created some serious buzz when he recommended Brazilians have sex five times a week as a countermeasure to the nation's hypertension epidemic. Sex has also been shown to reduce the chance of heart attack, particularly for men. In a recent groundbreaking study published in the American Journal of Cardiology, men who engaged in intercourse at least twice a week were a staggering 45% less likely to suffer a heart attack than those who had sex once a month or less.

3. Sex Helps You Lose Weight

Sexual activity is exactly that – activity. Thirty minutes of sex burns 200 calories or a pound of body fat for every 17.5 times you have sex.

4. Sex Helps You Sleep

The oxytocin released during sex leads to pronounced relaxation and sounder sleep. If you've read my previous blog on the myriad benefits of a good night's sleep, you'll know that better sleep lends itself to reduced body weight, lower stress, increased immunity and overall well-being.

5. Sex Is a Great Pain Reliever

I know that sex might be one of the very last things on your mind when you're suffering with a migraine, menstrual cramps, or chronic pain, but consider this: sex has been repeatedly linked to alleviating pain, especially in these instances. There's a distinct relationship between the endorphins, corticosteroids and, yes, oxytocin released during sexual intercourse and pain relief. So next time the ibuprofen or aspirin just isn't cutting it, consider sex as an alternative therapy!

6. Sex Boosts Your Immune System

Amid this record-breaking flu season, I'm sure I got your attention with this surprising fact! Yes, sex wards off colds, flu, and other infections by increasing the levels of the antibody immunoglobulin A (IgA). It makes sense, then, that sexually active people take fewer sick days than those who abstain.

7. Sex Can Improve Your Relationship

I'm not just talking about your "sex life" when I say that sex can improve your relationship with your significant other. While the obvious is true that you are experiencing mutual pleasure, the benefits go way beyond that.

Let's come back to good old oxytocin. Oxytocin has been called a "love potion" by many for promoting feelings of intimacy and closeness, but it may also prevent arguments from spiraling out of control. Researchers in Zurich found that sex reduces Cortisol and increases oxytocin, which encourages positive communication and provides a one-two punch against a stressful situation like an argument. Not only that, but fascinating recent research published in The Journal of Neuroscience found that, when given oxytocin, men in committed relationships chose to keep a greater distance between themselves and an unknown woman they find attractive. These findings suggest oxytocin may play a pivotal role in promoting fidelity within monogamous relationships.

8. Sex Improves Your Appearance

Many people focus on looking good in the sack, but did you know the sack can return the favor? Having sex just twice a week increases the hormone DHEA which research suggests can repair tissues, improve skin tone, and even stimulate natural collagen production to fight wrinkles and visible again.

Do you have a healthy sex life? Tweet me @harleypasternak how many times you have sex a month.

Check back every Wednesday for more insider tips from celebrity trainer Harley Pasternak on Hollywood's hottest bodies – and learn how to get one yourself! Plus: Follow Harley on Twitter at @harleypasternak

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Report: Tracking system needed to fight fake drugs

WASHINGTON (AP) — Fighting the problem of fake drugs will require putting medications through a chain of custody like U.S. courts require for evidence in a trial, the Institute of Medicine reported Wednesday.

The call for a national drug tracking system comes a week after the Food and Drug Administration warned doctors, for the third time in about a year, that it discovered a counterfeit batch of the cancer drug Avastin that lacked the real tumor-killing ingredient.

Fake and substandard drugs have become an increasing concern as U.S. pharmaceutical companies move more of their manufacturing overseas. The risk made headlines in 2008 when U.S. patients died from a contaminated blood thinner imported from China.

The Institute of Medicine report made clear that this is a global problem that requires an international response, with developing countries especially at risk from phony medications. Drug-resistant tuberculosis, for example, is fueled in part by watered-down medications sold in many poor countries.

"There can be nothing worse than for a patient to take a medication that either doesn't work or poisons the patient," said Lawrence O. Gostin, a professor of health law at Georgetown University who led the IOM committee that studied how to combat the growing problem.

A mandatory drug-tracking system could use some form of barcodes or electronic tags to verify that a medication and the ingredients used to make it are authentic at every step, from the manufacturing of the active ingredient all the way to the pharmacy, he said. His committee examined fakes so sophisticated that health experts couldn't tell the difference between the packaging of the FDA-approved product and the look-alike.

"It's unreliable unless you know where it's been and can secure each point in the supply chain," Gostin said.

Patient safety advocates have pushed for that kind of tracking system for years, but attempts to include it in FDA drug-safety legislation last summer failed.

The report also concluded that:

—The World Health Organization should develop an international code of practice that sets guidelines for monitoring, regulation and law enforcement to crack down on fake drugs.

—States should beef up licensing requirements for the wholesalers and distributors who get a drug from its manufacturer to the pharmacy, hospital or doctor's office.

__Internet pharmacies are a particularly weak link, because fraudulent sites can mimic legitimate ones. The report urged wider promotion of the National Association of Boards of Pharmacy's online accreditation program as a tool to help consumers spot trustworthy sites.

The Institute of Medicine is an independent organization that advises the government on health matters.

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Wall Street rally stalls, S&P 500 skims November 2007 high

NEW YORK (Reuters) - Stocks were little changed on Wednesday amid investor caution after the S&P 500 index briefly hit its highest intraday level since November 2007.

The benchmark index got a boost from Comcast Corp , which said it will buy the rest of NBC Universal for $16.7 billion from General Electric Co .

Equities have been strong performers until recently, buoyed largely by healthy growth in corporate earnings, which helped the S&P 500 to rise 6.5 percent so far this year. The Dow industrials are about 1 percent away from an all-time intraday high, reached in October 2007.

Those gains have left the market vulnerable to a pullback as investors are likely to take profit amid a dearth of new catalysts. While analysts see an upward bias in stocks, recent daily moves have been small and trading volumes light with indexes at multi-year highs.

"I was expecting a 12-15 percent return on the S&P for the whole year of 2013, and we have done about half of that in just 5-6 weeks," said Jack De Gan, principal at Harbor Advisory in Portsmouth, New Hampshire.

"We will hit resistance, but the fundamentals and (microeconomic) picture are looking good, so if there is a correction, it's going to be a brief one."

The Dow Jones industrial average <.dji> was down 39.17 points, or 0.28 percent, at 13,979.53. The Standard & Poor's 500 Index <.spx> was up 0.80 points, or 0.05 percent, at 1,520.23. The Nasdaq Composite Index <.ixic> was up 7.01 points, or 0.22 percent, at 3,193.50.

Investors shrugged off the latest economic data, which showed that retail sales rose just 0.1 percent, as expected, in January as tax increases and higher gasoline prices restrained spending.

The S&P 500 was well above its 50-day moving average of 1,460.92, a sign the market could be overbought.

Comcast agreed late Tuesday to buy General Electric Co's remaining 49 percent stake in NBC Universal for $16.7 billion. Comcast jumped 4.4 percent to $40.70 as the S&P's top percentage gainer while Dow component GE was up 3.3 percent to $23.33.

Deere & Co reported earnings that beat expectations and raised its full-year profit outlook. After initially rallying in premarket trading, the stock fell 3 percent to $91.13.

According to the latest Thomson Reuters data, of the 353 companies in the S&P 500 that have reported results, 70.3 percent have exceeded analysts' expectations, above a 62 percent average since 1994 and 65 percent over the past four quarters.

Fourth-quarter earnings for S&P 500 companies are estimated to have risen 5.3 percent, according to the data, above a 1.9 percent forecast at the start of the earnings season.

Industrial and construction shares fell, though President Barack Obama, in his State of the Union address late Tuesday, called for $50 billion in spending to create jobs by rebuilding degraded roads and bridges.

The Dow Jones Home Construction index <.djushb> was off 0.5 percent.

(Editing by Kenneth Barry and Bernadette Baum)

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North Korean nuclear test draws anger, including from China

SEOUL (Reuters) - North Korea conducted its third nuclear test on Tuesday in defiance of U.N. resolutions, drawing condemnation from around the world, including from its only major ally, China, which summoned the North Korean ambassador to protest.

Pyongyang said the test was an act of self-defense against "U.S. hostility" and threatened stronger steps if necessary.

The test puts pressure on U.S. President Barack Obama on the day of his State of the Union speech and also puts China in a tight spot, since it comes in defiance of Beijing's admonishments to North Korea to avoid escalating tensions.

The U.N. Security Council held an emergency meeting at which its members, including China, "strongly condemned" the test and vowed to start work on appropriate measures in response, the president of the council said.

North Korean leader Kim Jong-un, the third of his line to rule the country, has presided over two long-range rocket launches and a nuclear test during his first year in power, pursuing policies that have propelled his impoverished and malnourished country closer to becoming a nuclear weapons power.

North Korea said the test had "greater explosive force" than those it conducted in 2006 and 2009. Its KCNA news agency said it had used a "miniaturized" and lighter nuclear device, indicating it had again used plutonium, which is suitable for use as a missile warhead.

China, which has shown signs of increasing exasperation with the recent bellicose tone of its reclusive neighbor, summoned the North Korean ambassador in Beijing and protested sternly, the Foreign Ministry said.

Foreign Minister Yang Jiechi said China was "strongly dissatisfied and resolutely opposed" to the test and urged North Korea to "stop any rhetoric or acts that could worsen situations and return to the right course of dialogue and consultation as soon as possible".

Analysts said the test was a major embarrassment to China, which is a permanent member of the Security Council and North Korea's sole major economic and diplomatic ally.

Obama called the test a "highly provocative act" that hurt regional stability.

"The danger posed by North Korea's threatening activities warrants further swift and credible action by the international community. The United States will also continue to take steps necessary to defend ourselves and our allies," Obama said.

U.S. Ambassador to the United Nations Susan Rice said Washington and its allies intended to "augment the sanctions regime" already in place due to Pyongyang's previous atomic tests. North Korea is already one of the most heavily sanctioned states in the world and has few external economic links that can be targeted.

Japanese Prime Minister Shinzo Abe said the test was a "grave threat" that could not be tolerated.

Russian Foreign Minister Sergei Lavrov urged North Korea to abandon its nuclear arms program and return to talks. NATO condemned the test as an "irresponsible act."

South Korea, still technically at war with North Korea after a 1950-53 civil war ended in a mere truce, also denounced the test. Obama spoke to South Korean President Lee Myung-bak on Tuesday and told him the United States "remains steadfast in its defense commitments" to Korea, the White House said.

MAXIMUM RESTRAINT

North Korea's Foreign Ministry said the test was "only the first response we took with maximum restraint".

"If the United States continues to come out with hostility and complicates the situation, we will be forced to take stronger, second and third responses in consecutive steps," it said in a statement carried by the official KCNA news agency.

North Korea often threatens the United States and its "puppet", South Korea, with destruction in colorful terms.

North Korea told the U.N. disarmament forum in Geneva that it would never bow to resolutions on its nuclear program and that prospects were "gloomy" for the denuclearization of the divided Korean peninsula because of a "hostile" U.S. policy.

Suzanne DiMaggio, an analyst at the Asia Society in New York, said North Korea had embarrassed China with the test. "China's inability to dissuade North Korea from carrying through with this third nuclear test reveals Beijing's limited influence over Pyongyang's actions in unusually stark terms," she said.

Mark Fitzpatrick of the International Institute for Strategic Studies think tank, said: "The test is hugely insulting to China, which now can be expected to follow through with threats to impose sanctions."

The magnitude of the explosion was roughly twice that of the 2009 test, according to the Vienna-based Comprehensive Nuclear-Test Ban Treaty Organization. The U.S. Geological Survey said that a seismic event measuring 5.1 magnitude had occurred.

U.S. intelligence agencies were analyzing the event and found that North Korea probably conducted an underground nuclear explosion with a yield of "approximately several kilotons", the Office of the Director of National Intelligence said.

Nuclear experts have described Pyongyang's previous two tests as puny by international standards. The yield of the 2006 test has been estimated at less than 1 kiloton (1,000 tons of TNT equivalent) and the second at some 2-7 kilotons, compared with 20 kilotons for a Nagasaki-type bomb.

North Korea trumpeted the announcement on its state television channel to patriotic music against a backdrop of its national flag.

"It was confirmed that the nuclear test that was carried out at a high level in a safe and perfect manner using a miniaturized and lighter nuclear device with greater explosive force than previously did not pose any negative impact on the surrounding ecological environment," KCNA said.

North Korea linked the test to its technical prowess in launching a long-range rocket in December, a move that triggered the U.N. sanctions, backed by China, that Pyongyang said prompted it to take Tuesday's action.

The North's ultimate aim, Washington believes, is to design an intercontinental ballistic missile capable of carrying a nuclear warhead that could hit the United States. North Korea says the program is aimed at putting satellites in space.

Despite its three nuclear tests and long-range rocket tests, North Korea is not believed to be close to manufacturing a nuclear missile capable of hitting the United States.

It used plutonium in previous nuclear tests and before Tuesday there had been speculation that it would use highly enriched uranium so as to conserve its plutonium stocks, as testing eats into its limited supply of materials to construct a nuclear bomb.

"VICIOUS CYCLE"

When Kim Jong-un, who is 30, took power after his father's death in December 2011, there were hopes that he would bring reforms and end Kim Jong-il's "military first" policies.

Instead, North Korea, whose economy is smaller than it was 20 years ago and where a third of children are believed to be malnourished, appears to be trapped in a cycle of sanctions followed by further provocations.

"The more North Korea shoots missiles, launches satellites or conducts nuclear tests, the more the U.N. Security Council will impose new and more severe sanctions," said Shen Dingli, a professor at Shanghai's Fudan University. "It is an endless, vicious cycle."

Options for the international community appear to be in short supply. Diplomats at the United Nations said negotiations on new sanctions could take weeks since China is likely to resist tough new measures for fear they could lead to further retaliation by the North Korean leadership.

Beijing has also been concerned that tougher sanctions could further weaken North Korea's economy and prompt a flood of refugees into China.

Tuesday's action appeared to have been timed for the run-up to February 16 anniversary celebrations of Kim Jong-il's birthday, as well as to achieve maximum international attention.

Significantly, the test comes at a time of political transition in China, Japan and South Korea, and as Obama begins his second term. The U.S. president will likely have to tweak his State of the Union address due to be given on Tuesday.

Japanese Prime Minister Shinzo Abe is bedding down a new government and South Korea's new president, Park Geun-hye, is preparing to take office on February 25.

China too is in the midst of a once-in-a-decade leadership transition to Xi Jinping, who takes office in March. Both Abe and Xi are staunch nationalists.

The longer-term game plan from Pyongyang may be to restart international talks aimed at winning food and financial aid. China urged it to return to the stalled "six-party" talks on its nuclear program, hosted by China and including the two Koreas, the United States, Japan and Russia.

Its puny economy and small diplomatic reach mean that North Korea struggles to win attention on the global stage - other than through nuclear tests and attacks on South Korea, the last of which was made in 2010.

"Now the next step for North Korea will be to offer talks... - any form to start up discussion again to bring things to their advantage," predicted Jeung Young-tae, senior research fellow at the Korea Institute for National Unification in Seoul.

(Additional reporting by Jack Kim, Christine Kim and Jumin Park in SEOUL; Linda Sieg in TOKYO; Louis Charbonneau and Michelle Nichols at the UNITED NATIONS; Fredrik Dahl in VIENNA; Michael Martina and Chen Aizhu in BEIJING; Mette Fraende in COPENHAGEN; Adrian Croft, Charlie Dunmore and Justyna Pawlak in BRUSSELS; Paul Eckert, Roberta Rampton, Tabassum Zakaria and Jeff Mason in WASHINGTON; Editing by Nick Macfie, Claudia Parsons and David Brunnstrom)

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