Lancet

Beer

Study: Alcohol More Lethal Than Heroin, Cocaine

Experts said alcohol scored so high because it is so widely used and has devastating consequences not only for drinkers but for those around them.

11/01/2010

A Caduceus - Graphic: AP

Is ADHD Genetic?

Children with ADHD are twice as likely to have missing or extra chromosomes – the first evidence that the disorder is genetic, a new study says.

09/30/2010