When an individual is experiencing the withdrawal symptoms due to a lack of heroin or other opiates, this is commonly referred to as going "cold turkey".
The possibility of a "bad trip" LSD trip can be reduced by taking the drug only when in a positive state of mind and in a relaxed environment.
The recreational use of inhalants, or huffing, refers to the intentional breathing of vapors with the purpose of getting high.
Magic mushrooms contain around 0.2 to 0.4 percent of the hallucinogen psilocybin, along with a trace amount of psilocin; another hallucinogenic substance.