Drug Abuse and Diagnostics

Cocaine and methamphetamine use among young adults declined significantly last year as supplies dried up, leading to higher prices and reduced purity, the government reports...

A growing number of children are taking drugs for a wide range of chronic conditions related to childhood obesity.

Depression, teens and marijuana are a dangerous mix that can lead to dependency, mental illness or suicidal thoughts, according to a White House report being released Friday.

Drug will help reduce effects of drugs like morphine on bowel function

NEW YORK — Actor Heath Ledger died of an accidental overdose of prescription drugs that included painkillers, sleeping pills and...

Users say they'd take drugs to excel even if it shortened their lives

Smoking marijuana is far more dangerous than smoking cigarettes, according to a group of scientists in New Zealand.

Although smoking "moderate" doses of cannabis helps reduce pain in healthy research volunteers, pain is actually increased at high doses, a new study shows.

On any given day in America, more than a million teens smoke cigarettes, while hundreds of thousands abuse drugs and alcohol, according to a report