PCP was once an approved for anesthetic in humans but was discontinued in 1965 because individuals who were administered the drug often became agitated, delusional, and irrational while recovering from its anesthetic effects.
Over 9% percent of high school seniors in the United States have used hallucinogens other than LSD, a category that includes magic mushrooms, at least once in their lifetime.
The most profound contributing factor of inhalant abuse is peer pressure.
The rate of current illicit drug use, including marijuana, among Americans aged 50-59 increased from 2.7% in 2002 to 6.2% in 2009.