Is it ok to take Absinthe, Alcohol, Methamphetamines, Valium, Xanax, Crack/Cocaine, DMT, GHB, Heroin, Ketamine?

LSD, MDA, Mescaline, Opium, Psilocin/(Magic Mushrooms). All at the same time, and if so have you tried it know someone who has, what was your experience.

: http://alcoholdrugstreatment.info/is-it-ok-to-take-absinthe-alcohol-methamphetamines-valium-xanax-crackcocaine-dmt-ghb-heroin-ketamine