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 …

4 days ago · 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.

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 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 substances that …

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,...

WHAT IS LSD? Lysergic acid diethylamide is a potent hallucinogen that has a high potential for misuse and currently has no accepted medical use in treatment in the United States.

1 day ago · LSD is increasingly being explored as a mental health treatment, partly because research shows it triggers profound emotional experiences in some people, and it seems to enhance the …

4 days ago · Two major trials investigating the potential of the psychedelic drug LSD for reducing anxiety are set to conclude in 2026. Scientists are feeling positive after the drug’s success in an earlier ...

Sep 29, 2025 · Learn what the LSD drug is, its effects on the brain, health risks, and key facts. Understand dangers and how treatment can help with LSD-related issues.

What is LSD? LSD (lysergic acid diethylamide) is a psychedelic drug, which means it can affect all senses, altering a person’s thinking, sense of time and emotions. Psychedelics can cause a person …