LSD and PCP Use Today there is increasing usage of two very powerful, and dangerous drugs in the youth of this Nation. LSD is one of these drugs, this hallucinogen more commonly known as Acid and is one of the longest lasting highs that are out there. LSD was first researched in 1953 when the Central Intelligence Agency thought that the Soviets and Chinese would use LSD to brainwash American diplomats. The Federal Drug Enforcement Administration lists this drug as a "schedule I" drug that means that it has high potential for abuse. During the "turn-on, tune-in, drop-out" time of the 60's LSD became the thing for social and political movem