There have been recent fluctuations in the incidence of attention-deficit/hyperactivity disorder (ADHD) among U.S. adolescents and adults, according to a study published online Jan. 13 in Psychiatric ...

Researchers at the Crick have uncovered which genes on the Y chromosome regulate the development of sperm and impact ...

A bipartisan group of lawmakers looking for reforms at the World Anti-Doping Agency reintroduced a bill that would give the White House permanent authority to withhold money from the drug-fighting ...