25-year study found a link, but cause-and-effect relationship remains unproven

Study found people with blood sugar disorder were about 80 percent more likely to have memory troubles

Odds are low, but study points to another downside of overuse

U.S. Seniors' Care Pioneer Dies

Here are common symptoms

Don't watch TV in the bedroom

Those with Medicaid insurance tend to know less about the drugs, study finds

Very small study shows some promise, but much more research will be needed, experts say

Allergic rash can have many causes; avoiding trigger is key to prevention

Disrupted shuteye can lower tolerance for aches in people with osteoarthritis, researchers say