3 hunter-gatherer peoples get an average of just 6.5 hours of shut-eye a night, study finds

Just 11 percent of people with incomes of less than $20,000 a year elected to be in a trial, study found

Findings dovetail with prior research that has shown tighter rules associated with less binge drinking

FDA Warned of Sexual Enhancer Products Tied to Lamar Odom's Collapse U.K. Ebola Survivor Critically Ill

Just 33 people from 25 million immunized were affected, researchers report

Early adolescence is stormiest period, Dutch researchers say

Suggestions for a safer transition

Good sources of the essential nutrient

Large study finds supplements no better than placebo at warding off recurring polyps

Harvard doctors argue for and against this medical ritual