The rate of emergency room department visits during 2009 for marijuana was highest for those aged 18-20.
Use of amphetamines can cause an individual to behave in a bizarre, repetitive fashion and many become hostile and aggressive.
Valium has been one of the most frequently prescribed medications in the world since its launch in 1963, and is also one of the most abused.
Moderate alcohol consumption can cause depleted aerobic capacity and negative impact on endurance for up to 48 hours after the last drink has been consumed.