The number of methadone overdoses has recently escalated in the United States within the past several years, with nearly 4,000 people dying from a methadone-related overdose in 2005.
Studies indicate that as much as half of the dopamine-producing cells in the brain can be damaged by prolonged exposure to relatively low levels of methamphetamine.
Some individuals legitimately use anabolic steroids to help with certain types of anemia and to help men who cannot naturally produce enough testosterone.
It is against the law to possess or to traffic GHB in the United States or in Canada.