The sleeping pill Ambien seems to cause less severe withdrawal symptoms than the barbiturates or benzodiazepines.
Just one dose of morphine can block a process in the brain associated with learning and memory for as long as a full day after the drug has been administered.
Opiate users spend the vast majority of their time obtaining opiates and recovering from its effects, give up other pursuits for the sake of drug use.
There has been a significant increase of anabolic steroid among high school aged students that play competitive sports.