depressant
simple catergories1 legal to take any time e.g. paracetamal2 illegal e.g. heroin3 prescribed e.g. marijuana, only if prescribed if not then illegal
Central nervous system depressants and stimulants, Opiates and Opiodes, and Hallucinogens and Marijuana (similar to hallucinogens but to a lesser and slightly different degree)
opium is categorized as an opioid.
Hard drugs
Hookah is not a drug, it's a type of pipe.
Three Perspectives on Medical Cannabis
What is Addiction Education All About Anyway?
Drug Policy Alliance's re:FORM Art Auction
Judge Jim Gray on The Six Groups Who Benefit From Drug Prohibition