Cocaine withdrawal occurs because the body compensates for the heightened euphoria by blocking pleasure centers. This causes depression and stress and other symptoms.
Over 60% of high school seniors report having been drunk and 31% report having had five or more drinks in a row containing alcohol in the last two weeks.
Liquid PCP can be injected intravenously.
There are a variety of possible effects which can be produced by LSD use, all of which depend on many different factors including dose, setting, expectations, past experiences, and on the personality of the LSD user.