Diet, exercise and genes aren't the only factors responsible for body weight, say researchers, who are discovering evidence of another component: the bacteria in your gut
The Large Hadron Collider, outside Geneva, has been beset with delays and problems since 2006, when it was originally scheduled to launch. Are they portents from the future?
President Obama says he will attend the climate-change summit in Copenhagen if it seems a global agreement is nigh. But the prospects of such an agreement may depend on the President's presence
New data from a long-term survey suggests that U.S. teens are no less active today than they were in 1991. Yet they've gotten increasingly heavier over the same period
Nearly 200 million children in poor countries have stunted growth because they don't get enough to eat, according to a new report published by UNICEF Wednesday before a three-day international summit on the problem of world hunger
Male factory workers in China who got very high doses of a chemical that's been widely used in hard plastic bottles had high rates of sexual problems, researchers reported Wednesday
Giving Tamiflu to patients who may have been exposed to swine flu — such as family members of confirmed cases — as a preventive measure, may result in their developing drug-resistant strains of the virus.
For the first time, obesity researchers have data showing that the least healthy cereals are the ones marketed most aggressively to kids
Knowing someone's test results isn't good enough. Before you hop into bed, here's what you should always ask.
Tina and Rod Davies have turned their living room in Victoria, Australia into a nursery for orphaned kangaroos and wallabies
At 5 a.m. on Sept. 30, the Centers for Disease Control and Prevention (CDC) will launch its largest vaccine giveaway in decades. It's not the usual way influenza immunizations are distributed, but nothing about this flu season is normal
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