Is LSD Addictive?

LSD, also known by its street name, acid, is a hallucinogen that is most commonly sold as small squares of paper, but also as liquid or pellets. It’s tasteless and odorless. The abbreviation LSD comes from Lysergsaure-Diathylamid, the German version of its chemical name. LSD was discovered by accident in the late 1930s by a man named Albert Hofmann. How …