Researchers say placebo effect likely played a role in results

But researchers add that finding doesn't prove cause-and-effect link

Findings could help doctors diagnose the condition more accurately, researchers say

Survey finds about half of British high school girls forgo activities

For adults, mild thinking and memory problems that may develop over time are unrelated, researchers say

Among the recommendations: ask about recent travel to high-risk areas and symptoms such as sudden fever

American, Chinese and Italian meals average around 1,500 calories, researchers say

Livestrong CEO Resigns Vaccine Group and Merck Sign $5 Million Ebola Vaccine Deal Dalai Lama Getting Prostate Treatment, Medical Checkup at Mayo Clinic

Guidelines before you take an OTC drug

Ideas for better quality sleep