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From detergents to deodorizers, simple household items are sometimes blamed for making people feel sick. A California scientist decided to analyze dozens of them to see if there really is a problem.

A unique program using improvisational theater to remind Alzheimer's patients of the roles they used to play in life.

Ben Breedlove died Christmas Day, but left behind video about his health that's now been viewed more than 1 million times

Breathing woes, headaches, more reported; Study: Common items contain potentially harmful chemicals; Industry: Offerings safe

AIDS Healthcare Foundation has been advocating condom use in porn for years

Different foods require different amounts of energy to produce. Meat is four times as demanding as grains are.

For more than 50 years fossil fuels and fertilizers have been the key ingredients in much greater global food production and distribution. The food-energy relationship has been a good one, but it is now entering a new era. Food production is rising sharply, requiring more carbon-based fuels and nitrogen-based fertilizers, both of which exacerbate global warming, river and ocean pollution, and a host of other ills

For more than 50 years fossil fuels and fertilizers have been the key ingredients in much greater global food production and distribution.

Forget leap years, months with 28 days and your birthday falling on a different day of the week each year.

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For shift workers, odd hours usually mean strange sleeping habits and unhealthy meals. And now an editorial in the journal Public Library of Science Medicine takes the position that unhealthy eating associated with unusual working hours could be considered a new form of occupational hazard. Because such eating is a risk factor for obesity and diabetes.

Roadside bombs are often responsible for what's been called the "signature wound" for troops on the battlefield: brain injuries. Clarissa Ward visited the Concussion Care Center at Forward Operating Base Fenti in Afghanistan, where specialists there are taking a new approach to helping the wounded

Since physical abilities decline as people age, many people think the elderly are also less able to perform mental jumping jacks as they age. New research indicates this might not be true with all brain-powered tasks: In some ways the elderly are fit to compete with their younger counterparts. [More]