"Great Rotation"- A Wall Street fairy tale?

NEW YORK (Reuters) - Wall Street's current jubilant narrative is that a rush into stocks by small investors has sparked a "great rotation" out of bonds and into equities that will power the bull market to new heights.


That sounds good, but there's a snag: The evidence for this is a few weeks of bullish fund flows that are hardly unusual for January.


Late-stage bull markets are typically marked by an influx of small investors coming late to the party - such as when your waiter starts giving you stock tips. For that to happen you need a good story. The "great rotation," with its monumental tone, is the perfect narrative to make you feel like you're missing out.


Even if something approaching a "great rotation" has begun, it is not necessarily bullish for markets. Those who think they are coming early to the party may actually be arriving late.


Investors pumped $20.7 billion into stocks in the first four weeks of the year, the strongest four-week run since April 2000, according to Lipper. But that pales in comparison with the $410 billion yanked from those funds since the start of 2008.


"I'm not sure you want to take a couple of weeks and extrapolate it into whatever trend you want," said Tobias Levkovich, chief U.S. equity strategist at Citigroup. "We have had instances where equity flows have picked up in the last two, three, four years when markets have picked up. They've generally not been signals of a continuation of that trend."


The S&P 500 rose 5 percent in January, its best month since October 2011 and its best January since 1997, driving speculation that retail investors were flooding back into the stock market.


Heading into another busy week of earnings, the equity market is knocking on the door of all-time highs due to positive sentiment in stocks, and that can't be ignored entirely. The Standard & Poor's 500 Index <.spx> ended the week about 4 percent from an all-time high touched in October 2007.


Next week will bring results from insurers Allstate and The Hartford , as well as from Walt Disney , Coca-Cola Enterprises and Visa .


But a comparison of flows in January, a seasonal strong month for the stock market, shows that this January, while strong, is not that unusual. In January 2011 investors moved $23.9 billion into stock funds and $28.6 billion in 2006, but neither foreshadowed massive inflows the rest of that year. Furthermore, in 2006 the market gained more than 13 percent while in 2011 it was flat.


Strong inflows in January can happen for a number of reasons. There were a lot of special dividends issued in December that need reinvesting, and some of the funds raised in December tax-selling also find their way back into the market.


During the height of the tech bubble in 2000, when retail investors were really embracing stocks, a staggering $42.7 billion flowed into equities in January of that year, double the amount that flowed in this January. That didn't end well, as stocks peaked in March of that year before dropping over the next two-plus years.


MOM AND POP STILL WARY


Arguing against a 'great rotation' is not necessarily a bearish argument against stocks. The stock market has done well since the crisis. Despite the huge outflows, the S&P 500 has risen more than 120 percent since March 2009 on a slowly improving economy and corporate earnings.


This earnings season, a majority of S&P 500 companies are beating earnings forecast. That's also the case for revenue, which is a departure from the previous two reporting periods where less than 50 percent of companies beat revenue expectations, according to Thomson Reuters data.


Meanwhile, those on the front lines say mom and pop investors are still wary of equities after the financial crisis.


"A lot of people I talk to are very reluctant to make an emotional commitment to the stock market and regardless of income activity in January, I think that's still the case," said David Joy, chief market strategist at Columbia Management Advisors in Boston, where he helps oversee $571 billion.


Joy, speaking from a conference in Phoenix, says most of the people asking him about the "great rotation" are fund management industry insiders who are interested in the extra business a flood of stock investors would bring.


He also pointed out that flows into bond funds were positive in the month of January, hardly an indication of a rotation.


Citi's Levkovich also argues that bond investors are unlikely to give up a 30-year rally in bonds so quickly. He said stocks only began to see consistent outflows 26 months after the tech bubble burst in March 2000. By that reading it could be another year before a serious rotation begins.


On top of that, substantial flows continue to make their way into bonds, even if it isn't low-yielding government debt. January 2013 was the second best January on record for the issuance of U.S. high-grade debt, with $111.725 billion issued during the month, according to International Finance Review.


Bill Gross, who runs the $285 billion Pimco Total Return Fund, the world's largest bond fund, commented on Twitter on Thursday that "January flows at Pimco show few signs of bond/stock rotation," adding that cash and money markets may be the source of inflows into stocks.


Indeed, the evidence suggests some of the money that went into stock funds in January came from money markets after a period in December when investors, worried about the budget uncertainty in Washington, started parking money in late 2012.


Data from iMoneyNet shows investors placed $123 billion in money market funds in the last two months of the year. In two weeks in January investors withdrew $31.45 billion of that, the most since March 2012. But later in the month money actually started flowing back.


(Additional reporting by Caroline Valetkevitch; Editing by Kenneth Barry)



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Thirty-five killed as militants attack Pakistan checkpoint


DERA ISMAIL KHAN, Pakistan (Reuters) - Militants attacked an isolated army checkpoint in Pakistan's restive northwest on Saturday, with at least 35 people killed in the initial assault, subsequent crossfire and a rocket attack on a house, officials said.


The Pakistan Taliban claimed responsibility, saying the attack was in response to a U.S. drone strike in neighboring North Waziristan last month in which two commanders were killed.


The Pakistani military and pro-government militias have since 2009 regained territory from the Pakistan Taliban, who once controlled land a few hours' drive from the capital of Islamabad.


The militants attacked the post at Lakki Marwat early on Saturday.


A security official said 12 militants and 13 soldiers were killed in the clash. Two bodies had suicide bomb belts on them.


"Cross-firing between militants and security officials continued for four hours," one source said.


The militants also targeted a house next to the camp with rockets, killing 10 members of one family, including three children, the official said.


"Pakistan has been co-operating with the U.S. in its drone strikes that killed our two senior commanders, Faisal Khan and Toofani, and the attack on military camp was the revenge of their killing," the Taliban spokesman said.


He said four suicide bombers attacked the camp and blew themselves up. He said more than a dozen soldiers were killed.


(Additional reporting by Jibran Ahmad in Peshawar, Javed Hussain in Parachinar and Mubasher Bukhari in Islamabad; Writing by Nick Macfie; Editing by Sanjeev Miglani)



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3 Things That Still Worry Me About BlackBerry






BlackBerry put on a pretty good show on Wednesday when it revealed the Z10 and the Q10, its first new smartphones in a year and a half. The demos were crisp, and the new BlackBerry 10 software looked clever. At the very least, it seems that BlackBerry has finally joined the modern smartphone era.


But despite my interest in BlackBerry’s new phones, I’m still worried about the future of the platform, and not merely because it’s been off the radar for a while. Looking at what BlackBerry did and didn’t announce, and what reviewers are saying about the product, gives me a few big reasons for concern:






Apps, Both Present and Future


BlackBerry deserves credit for having lots of apps out of the gate–more than 70,000, the company says–including some important ones like Twitter, Facebook, Angry Birds and The New York Times. Still, there are some big names missing from the list, including Netflix, YouTube, Spotify and Instagram. You can’t expect a new platform to have everything right away, though, so I don’t want to judge BlackBerry’s current app count too harshly.


It’s the future that I’m really worried about. What happens when the next Instagram comes out, and becomes a sensation on the iPhone and Android? Will BlackBerry be like Windows Phone–that is, just an afterthought in the minds of up-and-coming app developers? The good news is that Android apps are relatively easy to port to BlackBerry 10 (in fact, roughly 40 percent of those 70,000 launch apps are simple ports, ReadWrite notes), so RIM just has to convince developers to make a relatively small effort. We’ll see if they do.


Never Neglect Maps


The consensus among BlackBerry Z10 reviews is that its Maps app is subpar. The Verge complained about inaccurate data, and said the software couldn’t reliably find local businesses. CNet bemoaned a lack of features, such as walking directions, transit maps and street views. Apparently the software doesn’t even let you jump into the Maps app by tapping on an address or map in the web browser. That’s just basic stuff. At least the Maps app includes voice-guided turn-by-turn directions.


In any case, having a good mapping service isn’t just about telling you where to go. It’s about using your location to deliver useful information. Google Now, for instance, can warn you about traffic before your commute home, and Apple‘s Passbook can call up a boarding pass when you get to the airport. These days, a really good standalone Maps app is only part of the equation, and BlackBerry doesn’t even have that yet.


Voice Commands and Virtual Assistants


BlackBerry has added voice commands in its new phones, but the list of supported actions is paltry compared to what Android and the iPhone offer. You can’t ask for movie times, the weather forecast, directions, or things to do. You can’t tell the phone to start playing music, answer a trivia question, calculate numbers or set reminders.


You may argue that it doesn’t matter, that most people don’t rely too heavily on voice commands to begin with. I think that will change as these virtual assistants become faster and support more types of queries. They’ll also become more useful in automobiles–in fact, some car makers are now starting to integrate Siri–and they may some day play a big role in wearable computing, allowing you to communicate by voice when your phone is just out of reach. It’s still early days for this kind of technology, but Apple and Google already have a huge head start. BlackBerry, by comparison, is just getting started.


I’m not saying the new BlackBerry phones are no good, or that no one should use them. Like I said before, the software has some clever ideas, such as the Hub that combines all communications into one area, and the Balance feature that acts as a separate login for business use. But the smartphone industry moves quickly, and BlackBerry’s period of rebuilding has taken its toll in a few key areas. As with before, it’s going to be hard for the company to catch up.


MORE: Check out a video about the new hardware and features


Wireless News Headlines – Yahoo! News





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Channing Tatum All Set to Learn About Diapering















02/01/2013 at 08:00 AM EST







Jenna Dewan-Tatum and Channing Tatum


FameFlynet


First time dad-to-be Channing Tatum already in baby mode – studying baby books and watching documentaries.

But there's one thing he's still lacking: mastering the art of diapering.

"I have never changed a diaper before, so I may need some help learning," Tatum, 32, told PEOPLE at Thursday's New York premiere of his new movie Side Effects, presented by the Cinema Society and Michael Kors.

"I don't have friends who have kids, so it's going to be an interesting experience to learn how to change a diaper. I hope I don't have any problems where the diaper falls off and the baby [poops] on the ground," said PEOPLE’s Sexiest Man Alive, whose baby with wife Jenna Dewan-Tatum, 32, is due this summer.

"But once the baby is born, I'll definitely do the diaper changing. If it means touching the [poop] and getting peed on, I'll still do it. I'm up for the challenge."

One thing the Magic Mike star has mastered is keeping his pregnant wife relaxed and happy.

"Oh man, I'm not even getting into what I do to pamper Jenna. I'm doing anything that she asks for," he said.

"She jokes to me all the time by saying, 'If I feel
good, then the baby feels good or if I'm happy, then the baby is happy.' And I'm like, that is such an urban myth. You're just saying that to get me to do everything for you," he said.

"I know it's probably true, but I like to joke about it and
she hates it. I'll go to the store to pick up shakes or give her a thousand foot rubs. A foot rub now until the nine months if I have to just to keep her happy and comfortable."

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Hedgehog Alert! Prickly pets can carry salmonella


NEW YORK (AP) — Add those cute little hedgehogs to the list of pets that can make you sick.


In the last year, 20 people were infected by a rare but dangerous form of salmonella bacteria, and one person died in January. The illnesses were linked to contact with hedgehogs kept as pets, according to a report released Thursday by the Centers for Disease Control and Prevention.


Health officials on Thursday say such cases seem to be increasing.


The CDC recommends thoroughly washing your hands after handling hedgehogs and cleaning pet cages and other equipment outside.


Other pets that carry the salmonella bug are frogs, toads, turtles, snakes, lizards, chicks and ducklings.


Seven of the hedgehog illnesses were in Washington state, including the death — an elderly man from Spokane County who died in January. The other cases were in Alabama, Illinois, Indiana, Michigan, Minnesota, Ohio and Oregon.


In years past, only one or two illnesses from this salmonella strain have been reported annually, but the numbers rose to 14 in 2011, 18 last year, and two so far this year.


Children younger than five and the elderly are considered at highest risk for severe illness, CDC officials said.


Hedgehogs are small, insect-eating mammals with a coat of stiff quills. In nature, they sometimes live under hedges and defend themselves by rolling up into a spiky ball.


The critters linked to recent illnesses were purchased from various breeders, many of them licensed by the U.S. Department of Agriculture, CDC officials said. Hedgehogs are native to Western Europe, New Zealand and some other parts of the world, but are bred in the United States.


___


Online:


CDC report: http://www.cdc.gov/mmwr


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Euro rises, shares gain as Europe's outlook brightens

LONDON (Reuters) - The euro hit a fresh 14-month high and European stocks gained on Friday after economic data raised hopes that the region's downturn has eased, but moves were limited as investors await a U.S. jobs report.


Euro zone factories had their best month in nearly a year during January although the currency bloc is likely to remain mired in recession for a few more months, the latest reading of Markit's Purchasing Managers' Index (PMI) showed.


"Providing there are no further setbacks to the region's debt crisis, these data add to the expectation that the euro zone is on course to return to growth by mid-2013," said Chris Williamson, chief economist at data compiler Markit.


The euro hit a high of $1.3657 after the data came out, its highest level since November 2011. The common currency also hit a 33-month high against the yen, rising more than 1 percent to 125.96 yen.


The pan-European FTSEurofirst 300 index <.fteu3> extended its recent gains by 0.4 percent to 1,169.14 points, near a 23-month high after solid rally since the start of the year. London's FTSE 100 <.ftse>, Paris's CAC-40 <.fchi> and Frankfurt's DAX <.gdaxi> were up between 0.5 and 0.8 percent.


Earlier, China's official PMI for January eased to 50.4, missing market expectations for a rise and underscoring the fragility of the recovery from the economy's weakest year since 1999.


However, a separate private survey showed that growth in China's giant manufacturing sector hit a two-year high in January as domestic demand strengthened, underlining hopes the nation's economic recovery is slowly gaining momentum.


The Chinese data left MSCI's broadest index of Asia-Pacific shares outside Japan <.miapj0000pus> little changed


EURO STRENGTH


The euro has risen significantly in recent weeks as the outlook for the 17-nation currency bloc has improved, and also as investors respond to the sharply easier monetary policies of the U.S. Federal Reserve and Bank of Japan.


"The perception is that the ECB is being less supportive and is not providing as much liquidity as the other central banks are," said Andrew Milligan, head of Global Strategy at Standard Life Investments.


At the same time liquidity in the European money markets is being affected by quicker-than-expected repayments of crisis loans handed out by the ECB at the height of the bloc's crisis just over a year ago.


Banks have another two years to pay back the money if they want, but have taken the opportunity this week to return over a quarter of the 489 billion euros ($663.77 billion) they took in the first of the ECB's two "LTRO" handouts.


From now on they can pay back as little or as much of the remaining money as they want each week. After the fast start, analysts are awaiting Friday's details of next week's repayments for clues on whether the pace is likely to continue.


Money market rates have already risen by a quarter of a percentage point since the start the year - the equivalent of a standard ECB interest rate increase - and are likely climb by at least the same amount again if the money continues to drain rapidly from the system.


For Europe's struggling countries and the ECB this is not an ideal situation, effectively tightening monetary policy and creating unwanted stress just as economies are showing fragile signs of improvement.


JOBS EYED


Friday's U.S. nonfarm payrolls data due at 8:30 a.m. ET could be a another factor to drive the euro higher, as a strong report would knock the safe-haven dollar.


The dollar was trading at a 3-1/2 month low against a basket of currencies <.dxy> on Friday after falling 0.3 percent to 78.97 points.


Employers are expected to have added 160,000 new jobs to their payrolls in January, a marginal step up from December's 155,000 gain, according to a Reuters survey of economists. The unemployment rate is seen holding steady at 7.8 percent.


The U.S. economy unexpectedly contracted in the fourth quarter, its weakest performance since emerging from recession in 2009, and it grew just 2.2 percent in the whole of 2012.


The U.S. ISM factory survey, a national report on the state of American manufacturers, is also due at 10 a.m. ET.


(Additional reporting by Marc Jones,; editing by Philippa Fletcher)



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Mexico rescue workers search for survivors after Pemex blast kills 25


MEXICO CITY (Reuters) - Emergency services worked into the early hours of Friday to find people trapped in rubble under state oil company Pemex's headquarters in Mexico City after an explosion that killed at least 25 people and injured more than 100.


Scenes of confusion and chaos at the downtown tower dealt yet another blow to Pemex's image as Mexico's new president courts outside investment for the 75-year-old monopoly.


Search and rescue workers picked through debris, and investigators sifted through shattered glass and concrete at the bottom of the building to try to find what caused the blast. It was not clear how many might still be trapped inside.


Pemex, a symbol of Mexican self-sufficiency as well as a byword in Mexico for security glitches, oil theft and frequent accidents, has been hamstrung by inefficiency, union corruption and a series of safety failures costing hundreds of lives.


Thursday's blast at the more than 50-storey skyscraper that houses administrative offices followed a September fire at a Pemex gas facility near the northern city of Reynosa which killed 30 people. More than 300 were killed when a Pemex natural gas plant on the outskirts of Mexico City blew up in 1984.


Eight years later, about 200 people were killed and 1,500 injured after a series of underground gas explosions in Guadalajara, Mexico's second biggest city. An official investigation found Pemex was partly to blame.


Pemex initially flagged Thursday's incident as a problem with its electricity supply and then said there had been an explosion. But it did not give a cause for the blast.


A government official, speaking on condition of anonymity, said a preliminary line of inquiry suggested a gas boiler had blown up in a Pemex building just to the side of the main tower. However, he stressed nothing had been determined for sure.


Others at the scene said gas may have caused the blast.


Not long after the blast, President Enrique Pena Nieto was at the scene, vowing to discover how it happened.


"We will work exhaustively to investigate exactly what took place, and if there are people responsible, to apply the force of the law on them," he told reporters before going to visit survivors in hospital.


Shortly after midnight, at least 46 victims were still being treated in hospital, the company said.


Pemex said the blast would not affect operations, but concern in the government was evident as top military officials, the attorney general and the energy minister joined Interior Minister Miguel Angel Osorio Chong for a late news conference.


"I have issued instructions to the relevant authorities to convene national and international experts to help in the investigations," Osorio Chong said. He later noted that the number of casualties could still climb.


Whatever caused it, the deaths and destruction will put the spotlight back on safety at Pemex, which only a couple of hours before the explosion had issued a statement on Twitter saying the company had managed to improve its record on accidents.


Nieto has said he is giving top priority to reforming the company this year, though he has yet to reveal details of the plan, which already faces opposition from the left.


Both Pena Nieto and his finance minister were this week at pains to stress the company will not be privatized.


(Editing by Louise Ireland)



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Nintendo chief rules out price cuts for Wii U






TOKYO (AP) — Nintendo‘s president Thursday ruled out price cuts for its new Wii U home console as a way to boost sales, vowing to become profitable again in its core businesses as smartphones and tablets increasingly threaten specialized game machines.


Satoru Iwata, speaking at a Tokyo hotel to investors and reporters a day after earnings were released, acknowledged the sales momentum for the Wii U, as well as the 3DS hand-held game machine, had run out of steam during the key year-end shopping season, especially in the U.S.






But he said no price cuts were in the works. Price cuts are common in the gaming industry to woo buyers, but the move can backfire by trimming revenue. The Wii U now sells for about $ 300 in the U.S. and 25,000 yen in Japan.


“We are already offering it at a good price,” he said.


Iwata said he expects operating profit of more than 100 billion yen in the 12 months ending March 2014, promising that as “a commitment.”


But he acknowledged more work was needed to have consumers understand the Wii U, which went on sale globally late last year, as well as producing more game software to draw buyers.


All game machines have suffered in recent years from the advent of smartphones and other mobile devices that have become more sophisticated and offer games and other forms of entertainment.


Nintendo returned to net profit for the April-December period of 2012 from deep losses the previous year, but that was due to a perk from a weaker yen, which helps Japanese exporters such as Nintendo.


Its operating result, which removes currency fluctuations, was a loss of 5.86 billion yen ($ 64 million), and Nintendo expects that to swell to a 20 billion yen ($ 220 million) loss for the full business year ending March 2013 as sales of its game consoles fall short of expectations.


Iwata said Nintendo is preparing more game software, including those developed in-house, for the end of this year.


Kyoto-based Nintendo, which makes Super Mario and Pokemon games, lowered its full year sales forecast Wednesday to 670 billion yen ($ 7.4 billion) from 810 billion yen ($ 8.9 billion). It also said it was going to sell fewer Wii U consoles for the fiscal year through March than its previous projection. The Wii U has a touch-screen tablet controller called GamePad and a TV-watching feature called TVii.


The company forecasts it will sell 4 million Wii U consoles for the current fiscal year, ending March 31, down from its earlier estimate of 5.5 million units. The Wii U, which went on sale late last year, was the first major new game console to arrive in stores in years.


Nintendo, also behind the Donkey Kong and Zelda games, lowered its full year sales forecast for Wii U game software units to 16 million from 24 million.


Iwata said last year holiday sales quickly dissipated in the U.S. and some European nations, including Great Britain, the key market. He said the U.S. home console sales were the worst for Nintendo in nearly a decade.


He said Nintendo needs hit games to push console sales, and the company remains confident Wii U will prove more popular with time.


“The chicken-and-game problem has not been solved,” he said of the need for both game software and machine hardware.


“I feel a deep sense of responsibility for not being able to produce results for our year-end business,” said Iwata.


He declined to say what he would do if the company failed to attain the promised operating profits.


Nintendo sank into a loss the previous fiscal year largely because of price cuts for its hand-held 3DS game machine, which shows three-dimensional imagery without special glasses. That machine is also struggling in most global markets.


Shigeru Miyamoto, Nintendo’s famed game designer, said what was missing were games for the Wii U that made its appeal clear. The progress in smartphones has also posed a challenge for Nintendo, he said.


“People have to try it to see it is fun,” Miyamoto said of Wii U.


___


Follow Yuri Kageyama on Twitter at www.twitter.com/yurikageyama


Gaming News Headlines – Yahoo! News





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Brooke Burke-Charvet Refuses to Say 'Fat' Or 'Diet' in Front of Her Kids















01/31/2013 at 07:15 AM EST



A healthy home is a happy home for Brooke Burke-Charvet.

The mother of four kids – Neriah, 12, Sierra, 10, Rain, 6, and Shaya, 4 – hopes her lifestyle rubs off on them.

"I always tell other parents to lead by example," Burke-Charvet, 41, told PEOPLE on Tuesday. "My kids know I'm always working out and I love to cook. I'm always preparing healthy meals. I think it's also about giving them healthy options, which is so, so important. My little ones, especially, grocery shop with me. They're in the kitchen. They love to cook."

Part of what she believes helps guide her children down the right path is being as cautious about what comes out of her mouth as what goes into it.

"I try to never use words like 'fat' or 'diet,' " she says. "I try to choose my words carefully with my kids. It's just about making good choices and enjoying what we eat and making delicious flavorful foods that are healthy. I'm just teaching them about being healthy and strong, not about being thin."

But a mom who is always "working out super hard" deserves a break.

"I love my red wine," the Dancing with the Stars co-host says. "I think every mom deserves a glass of wine. I eat so healthy, but I listen to my body when I have cravings and I think that's why I'm able to maintain a healthy lifestyle. If I'm really craving something, I have it. The next day, I'm back on track."

Brooke Burke-Charvet Refuses to Say 'Fat' Or 'Diet' in Front of Her Kids| Health, Brooke Burke, David Charvet

Brooke Burke-Charvet doing her Kleenex duties

Michael Simon

Burke-Charvet, who began filming her own line of workout videos over the summer, isn't only healthy when it comes to her weight. She already feels "back to normal" following a thyroidectomy in December, and it shows. She was recently spotted looking radiant and smiling with husband David Charvet at brand new members only spot 41 Ocean in Santa Monica.

"I'm so blessed and fortunate with the way things worked out with my surgery," she says. "Now I'm back in the swing of things, working and feeling great."

Now that she's no longer on the mend, she wanted to help someone else who is. Burke recently teamed up with Kleenex to deliver a special care package (tissues, sanitizers, lip balm, a cozy blanket and music downloads) to an ailing Malibu sweepstakes winner during flu season.

"It's the perfect sort of recovery care package. It was a really thoughtful gift to send to somebody. The winner was really surprised," Burke says.

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Sex to burn calories? Authors expose obesity myths


Fact or fiction? Sex burns a lot of calories. Snacking or skipping breakfast is bad. School gym classes make a big difference in kids' weight.


All are myths or at least presumptions that may not be true, say researchers who reviewed the science behind some widely held obesity beliefs and found it lacking.


Their report in Thursday's New England Journal of Medicine says dogma and fallacies are detracting from real solutions to the nation's weight problems.


"The evidence is what matters," and many feel-good ideas repeated by well-meaning health experts just don't have it, said the lead author, David Allison, a biostatistician at the University of Alabama at Birmingham.


Independent researchers say the authors have some valid points. But many of the report's authors also have deep financial ties to food, beverage and weight-loss product makers — the disclosures take up half a page of fine print in the journal.


"It raises questions about what the purpose of this paper is" and whether it's aimed at promoting drugs, meal replacement products and bariatric surgery as solutions, said Marion Nestle, a New York University professor of nutrition and food studies.


"The big issues in weight loss are how you change the food environment in order for people to make healthy choices," such as limits on soda sizes and marketing junk food to children, she said. Some of the myths they cite are "straw men" issues, she said.


But some are pretty interesting.


Sex, for instance. Not that people do it to try to lose weight, but claims that it burns 100 to 300 calories are common, Allison said. Yet the only study that scientifically measured the energy output found that sex lasted six minutes on average — "disappointing, isn't it?" — and burned a mere 21 calories, about as much as walking, he said.


That's for a man. The study was done in 1984 and didn't measure the women's experience.


Among the other myths or assumptions the authors cite, based on their review of the most rigorous studies on each topic:


—Small changes in diet or exercise lead to large, long-term weight changes. Fact: The body adapts to changes, so small steps to cut calories don't have the same effect over time, studies suggest. At least one outside expert agrees with the authors that the "small changes" concept is based on an "oversimplified" 3,500-calorie rule, that adding or cutting that many calories alters weight by one pound.


—School gym classes have a big impact on kids' weight. Fact: Classes typically are not long, often or intense enough to make much difference.


—Losing a lot of weight quickly is worse than losing a little slowly over the long term. Fact: Although many dieters regain weight, those who lose a lot to start with often end up at a lower weight than people who drop more modest amounts.


—Snacking leads to weight gain. Fact: No high quality studies support that, the authors say.


—Regularly eating breakfast helps prevent obesity. Fact: Two studies found no effect on weight and one suggested that the effect depended on whether people were used to skipping breakfast or not.


—Setting overly ambitious goals leads to frustration and less weight loss. Fact: Some studies suggest people do better with high goals.


Some things may not have the strongest evidence for preventing obesity but are good for other reasons, such as breastfeeding and eating plenty of fruits and vegetables, the authors write. And exercise helps prevent a host of health problems regardless of whether it helps a person shed weight.


"I agree with most of the points" except the authors' conclusions that meal replacement products and diet drugs work for battling obesity, said Dr. David Ludwig, a prominent obesity research with Boston Children's Hospital who has no industry ties. Most weight-loss drugs sold over the last century had to be recalled because of serious side effects, so "there's much more evidence of failure than success," he said.


___


Online:


Obesity info: http://www.cdc.gov/obesity/data/trends.html


New England Journal: http://www.nejm.org


___


Marilynn Marchione can be followed at http://twitter.com/MMarchioneAP


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