LSD is commonly used as a recreational drug.
LSD can catalyze intense spiritual experiences and is thus considered an entheogen. Some users have reported out of body experiences. … See more

LSD is exceptionally potent, with as little as 20 μg capable of producing a noticeable effect.
LSD can induce physical effects such as pupil dilation, decreased appetite, increased sweating, a… See more

LSD, a classical psychedelic, is deemed physiologically safe at standard dosages (50–200 μg) and its primary risks lie in psychological effects rather than physiological harm. A 2010 study by David Nutt ranked … See more

There have been no documented fatal human overdoses from LSD, although there has been no "comprehensive review since the 1950s" and "almost no legal clinical research since the 1970s". Eight individuals who had ac… See more

Most serotonergic psychedelics are not significantly dopaminergic, and LSD is therefore atypical in this regard. The agonism of the D2 receptor by LSD may contribute to its psychoactive effects in humans. … See more