Nancy Shute
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Pretty much everyone thinks that rewards bring happiness, but it's not the size of the payoff that matters, researchers say. Rather it's whether the reward exceeds your immediate expectations.
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Drinking too much alcohol is a big factor in deaths of adults under age 65, CDC researchers say, from obvious risks like vehicle accidents to more subtle effects like higher rates of breast cancer.
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Jason DaSilva was diagnosed with multiple sclerosis at age 25. He has applied his skills as a documentary filmmaker to show what it's like to quickly lose the ability to walk.
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A young woman who didn't know she was infected with measles went to a Kings of Leon concert in Seattle. Public health investigators have reconstructed her movements to warn the public.
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The bottles that appear to have been tampered with contained tablets and capsules in various shapes and colors, rather than the turquoise capsule used for the over-the-counter medication alli.
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Virtual reality can make people feel like they are experiencing the world outside of their bodies. The sensation can make it hard for the people to remember what happened to them.
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Russia has a big problem with vodka, which is a key factor in the country's abysmal life expectancy, researchers say. But measures like banning vodka sales at night have had an immediate effect on a young Russian man's chances of living to age 55
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Alcohol uses causes a lot of health problems, and most of the trouble strikes drinkers who aren't alcoholics. Something as simple as a five-question screening test and a brief chat about cutting back can help people change course. But more than 80 percent of adults say they've never discussed alcohol use with a health professional.
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Many soaps and other consumer products have chemicals that are advertised as antibacterial. But there's no evidence that they actually keep people from getting sick, the FDA says. And they may increase the threat of bacteria that are resistant to antibiotics.
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Around the world, children are slowing down. Researchers have found that kids don't run as fast as they did in the 1970s. The finding suggests a potential uptick in future heart problems because running speed is a proxy for aerobic fitness and a measure of overall cardiovascular health.