Some LSD users have reported feeling compelled to take the drug repeatedly.
Salvia divorum is a plant from the mint family which contains a substance called salvinorin-A, a substance which known is known to be the most potent naturally occurring hallucinogen.
Methamphetamine is toxic to dopamine nerve terminals in the central nervous system.
Undesirable side effects of LSD may decrease over time, and sometimes end within a few months of the last dose of the drug.