Add Yahoo as a preferred source to see more of our stories on Google. Sha'Carri Richardson and Kamila ValievaPatrick Smith / Getty Images; Anadolu Agency / Getty Images Olympic athletes are barred ...

March 13 (Reuters) - About 80 million Americans suffer from heart disease, the nation's No. 1 killer, and most are on multiple drugs. Sign up here. Some cardiologists think prescribing has gotten out ...

Addiction to a drug means you cannot control your use of the substance, resulting in a harmful outcome. Drugs that are most commonly misused include alcohol, which can cause brain shrinkage, and ...

Biologic drugs have improved how doctors treat serious illnesses. Instead of being made from chemicals, biologics are made from organic materials and grown in living cells. Biologic drugs are used ...