Laws which prohibit the possession or purchase of alcohol among youth can influence underage drinking-and-driving fatalities.
Research has shown that memory loss among regular users of Ecstasy is common.
Marijuana is the most commonly used illicit drug among drug users in the nation, and as of 2010 there were 17.4 million past month users in the nation.
The most common method of administration of crystal meth is inhalation by smoking.