Nearly 40% of high school aged individuals in the U.S. have tried marijuana, although studies show that those who participate in sports or other extracurricular activities are less likely to use the drug.
Quitting an antidepressant suddenly may cause withdrawal symptoms such as irritability, anxiety, insomnia, headaches, dizziness, fatigue, nausea and a return of depression symptoms.
Prescription narcotics such as Lortab are often not perceived as dangerous as illicit street drugs, and don't carry the same stigma as illicit opiates like heroin, a primary reason it is abused.
Methamphetamine has a half-life of 12 hours, compared to cocaine which has a 1 hour half-life.