
LSD - Wikipedia
LSD is extremely potent, with noticeable effects at doses as low as 20 micrograms and is sometimes taken in much smaller amounts for microdosing. Despite widespread use, no fatal human overdoses …
LSD (Acid): Effects, Hazards & Extent of Use - Drugs.com
LSD is synthetically made from lysergic acid, which is found in ergot, a fungus that grows on rye and other grains. It is so potent its doses tend to be in the microgram (mcg) range. It's effects, often …
LSD: What to Know - WebMD
LSD (lysergic acid diethylamide), also called “acid,” is a type of synthetic and mind-altering substance (psychedelic). This belongs to a class of drugs called hallucinogens. When you take LSD,...
LSD - DEA.gov
What is LSD? Lysergic acid diethylamide (LSD) is a potent hallucinogen that has a high potential for abuse and currently has no accepted medical use in treatment in the United States.
LSD: Effects, Risks, Tips, and More - Healthline
May 27, 2020 · Lucy, acid, dots — whatever you want to call it, LSD is one of the most well-known hallucinogens. Here's a look at what it feels like, the risks involved, and how to stay safe if you …
LSD - Alcohol and Drug Foundation
Key facts about LSD, its effects, and risks. Learn about its appearance, common forms, and impact on mental health. Knowledge to stay safe.
LSD | Definition, Psychological Effects, & Ergot Fungus | Britannica
Nov 25, 2025 · LSD, potent synthetic hallucinogenic drug that can be derived from the ergot alkaloids of the fungus Claviceps purpurea. LSD is prepared by chemical synthesis in a laboratory.
Substance use - LSD: MedlinePlus Medical Encyclopedia
May 4, 2024 · LSD affects the action of a brain chemical called serotonin. Serotonin helps control behavior, mood, the senses, and thinking. LSD is in a class of drugs called hallucinogens. These are …
Apr 5, 2023 · LSD was discovered in 1938 by Albert Hofmann, a Swiss chemist working at Sandoz Laboratories, who later became the first person to experience the drug’s psychoactive effects after …
LSD - Meaning, Effects & Facts | HISTORY
Jun 14, 2017 · LSD, or lysergic acid diethylamide, is a hallucinogenic drug that was first synthesized a Swiss scientist in the 1930s. During the Cold War, the CIA conducted clandestine experiments with …