Are you more an apple or a pear? If it's the former, you've got company. Americans' waistlines are growing, even though obesity rates have plateaued. And more belly fat increases health risks.
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Under federal law, gay men aren’t allowed to donate blood, but many doctors and scientists think the law goes too far.
The U.S. military plans to establish a medical base in Liberia to help stop the Ebola epidemic. It will build 1,700 new treatment beds and train up to 500 health care workers every week.
About 27 percent of respiratory tract infections in children are caused by bacteria, a study finds. But doctors prescribe antibiotics for 57 percent, leading to 11 million unneeded prescriptions.
The rare virus is spreading fast, and doctors don't have an instant test to find out who has it. So parents should be ready to seek help quickly if a child has a cold that's rapidly getting worse.
Something as simple as eating fish can help lower the risk of hearing loss, researchers say. All types of fish helped. And since many people don't eat fish at all, there's an opportunity here.
Daily smokers are less likely to graduate from high school or college and are at higher risk of suicide, according to an analysis of three long-term studies of teenagers in Australia and New Zealand.
The federal budget for bioscience has undergone big swings since 2000. Some scientists are now out of work and others are abandoning the ambitious, creative ideas that fuel discovery.
Genetic tests are recommended for women with a family history of breast cancer. One researcher says all women should be screened, but others say there's not enough evidence that they are at risk.