One recent study found that people were able to burn up an extra 450 calories a day with one hour of moderate exercise. That can include walking briskly, biking or swimming.
October 31, 2011 Most people who lose weight end up gaining it back — and it's not just a matter of willpower. In fact, once we begin to shed those first few pounds, says one expert, "the biology really kicks in and tries to resist the weight loss."
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October 27, 2011 Willpower will only take you so far, in case you haven't run that experiment yourself. Turns out our bodies have a fuel gauge, not entirely unlike the gas gauge in our cars, that tell us when it's time to tank up on food. Dieting can make the gauge go haywire.
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If a high number of Facebook friends gives you a bigger brain, then CEO Mark Zuckerberg, seen here in Sept., must have one massive cortex.
October 21, 2011 Contrary to what you may have heard, more Facebook friends hasn't been proved to make your brain bigger. Check out what researchers actually found in a new study.
October 20, 2011 Teen drivers have fewer accidents as they gain experience. But that doesn't mean they are cutting down on dangerous habits like taking sharp turns and braking quickly, research shows.
Brain researchers say the big fluctuations in IQ performance they found in teens were not random — or a fluke.
October 19, 2011 A new study documents significant fluctuations in the IQs of a group of British teenagers. The findings bolster the theory that the IQ test isn't a measure of a person's "fixed" intellectual capacity but rather, a gauge of acquired knowledge that progresses in fits and starts.
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Even with a strong maternal relationship, teenage boys who watch a lot of TV acquire their attitudes toward sex from gender stereotypes seen on the tube, a new study says.
October 19, 2011 Teenage boys and girls who watch a lot of TV shape their attitudes toward sex differently. Mom may have something to do with that, according to a new study.
Victims of the plague are consigned to a communal burial during the Plague of London in 1665.
October 12, 2011 While the results are a technical tour de force, the researchers did not find any genetic feature that could explain why the Black Death was so virulent. In fact, the germ behind the medieval plague isn't much different from the one that causes bubonic plague today.
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September 30, 2011 Four wild mushroom foragers who mistakenly ate toxic fungi they found near Washington, D.C., were treated with an experimental medicine that's been used in Europe for years.
XMRV retrovirus proteins in cancer cells.
September 22, 2011 Chronic fatigue syndrome is by all accounts a difficult illness – there's no known cause and consequently no test to detect it. Though a series of recent studies have shown there's no link with the XMRV virus, some advocates insist more research on it is needed.
Teens that frequently dine with their families report better quality of relationships with their family members as well as a smaller chance of using drugs.
September 22, 2011 Sitting down for family dinners can help teens steer clear of drugs and build better family relationships. But it's not just the meal that equips them with an advantage.
September 19, 2011 What stumped scientists for more than a decade took gamers only three weeks to figure out. The structure of a key reproductive enzyme in AIDS-like viruses is finally known.
September 13, 2011 Scientists found that single men who started out with relatively high testosterone levels were more likely than other men to become fathers. But once a baby arrived, testosterone levels plummeted.
Bacteroides are microbes that dominate the guts of people who eat more animal protein and fat.
Dennis Kunkel Microscopy, Inc.
September 1, 2011 The microbes in the human intestine exert a powerful influence on nutrition and health. Turns out that researchers have found what you eat has a big effect on the microbes inside your gut, too.
Nearly all teenagers get acne at some point, usually after puberty switches their oil glands into high gear.
August 31, 2011 Researchers say that little is known about how well products to treat acne compare against each other. That means that dermatologists could be prescribing the wrong treatments to some patients.
August 30, 2011 The panel, which was asked by President Obama to investigate the Guatemala study in October 2010, came to the conclusion after learning that the researchers had conducted similar research with American prisoners in 1943 but had given them the chance to make informed consent.
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