LSD - is an illegal recreational drug derived from a parasitic fungus that grows on rye, known as ergot. Acid is the most well-known hallucinogenic drug, and due to the extended effects of the drug, the experience of taking or "dropping" acid is known as a "trip" or " acid trip."

LSD or 'acid' is a powerful hallucinogenic drug. Time, movement, color and sound can appear different depending on the 'trip'.

LSD is one of the strongest hallucinogenic drugs. It can disrupt the normal functioning of your brain, possibly for the short term, and possibly for life.