Sleep survey finds Americans quite short of sleep but working more. 69% of Americans have at least 1 symptom of a sleep disorder.

New evidence shows that big is better, where baby’s brains are concerned.

Differences in working memory between children and adults.

Doping clouds cycling and other sports. What drugs are in use? How do athletes avoid detection? What is the real harm of steroids?

Scientists reveal their most guarded secrets. Eat less. Live longer. Eat less and live healthier. Starve tumors and keep those free radicals in line.