A study shows that women infected with a common parasite are 1.5 times more likely than other women to attempt suicide. The parasite, which is found in cats, is already known to change the behavior of infected animals.
Today in Haiti there are thousands of modern-day Lazaruses — people who have been rescued from the final stages of AIDS with treatment. Many HIV-positive survivors there and around the world are receiving treatment thanks to President Bush's $15 billion emergency program, called PEPFAR.
Though elected officials have strong opinions on both sides of the healthcare law, it seems that some are hazy on the details. Test your own knowledge of what the health care ruling means for Americans.
Is a calorie just a calorie? Science writer Gary Taubes says no. In a study published last week in the Journal of the American Medical Association, diet researchers reported that patients on a low-carb diet kept weight off longer than those on a low-fat diet, re-introducing a long-standing debate.
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