recreational drugs: methamphetamine (crystal meth)

abuse addiction amphetamine amyl atoms caffeine cathine cathinone chemical compound computer controlled crystal dimensional ecstasy ephedrine formula ghb heroin illegal ketamine lsd lysergic mdma mephedrone mescaline meth methamphetamine modafinil model molecular molecule morphine narcotic nicotine nitrite overdose popper psilocybin psychoactive rehab stimulant structural structure substance tetrahydrocannabinol thc trafficking two