Individuals who inject methamphetamine can damage their blood vessels and develop skin abscesses.
Increased alcohol consumption causes body heat to be lost, causing an individuals body temperature to sometimes fall below normal.
Individuals who use PCP may experience a "dissociative" feeling, meaning it distorts perceptions of sight and sound and produces feelings of detachment.
Adderall can produce many unwanted symptoms or side effects, which can cause individuals to have trouble sleeping, become irritable, hyperactive, and mood and behavior changes.
Among employed Americans aged 18 or older in 2010, over 8 percent of those employed full time and over 11 percent of those employed part time were current illicit drug users.