Nearly 1.5 million adolescents ages 12-17 meet the criteria for alcohol dependence or alcohol abuse.
While overall drug use in the U.S. dropped sharply through the Eighties, heroin use has remained relatively stable.
The excessive release of dopamine and stimulation of the brain and central nervous system's natural reward system as a result of opiate use is what leads to addiction.
Just one Ecstasy pill can cause a high which can last anywhere from three to six hours.