LSD, or lysergic acid diethylamide, is a powerful synthetic psychedelic drug known for its ability to intensely alter thoughts, emotions, and sensory perception. It is often called "acid" or "Lucy" and is famous for causing visual and auditory hallucinations, as well as mystical or spiritual experiences
. LSD is derived from lysergic acid, a compound found in a fungus that grows on rye and other grains. It is typically ingested orally, often on small squares of blotter paper, sugar cubes, or in liquid form. The effects begin about 30 minutes after ingestion and can last up to 20 hours, with most trips averaging 8 to 12 hours
. Physiologically, LSD causes dilated pupils, increased heart rate and blood pressure, sweating, sleeplessness, and loss of appetite. Psychologically, it can distort perception of time, space, and reality, sometimes leading to intense emotional experiences. Negative reactions, such as anxiety, paranoia, and "bad trips," are possible, along with the risk of persistent visual disturbances known as flashbacks or hallucinogen persisting perception disorder (HPPD)
. LSD is not considered addictive because it does not produce compulsive drug- seeking behavior, but it has a high potential for abuse and currently has no accepted medical use in the United States, where it is classified as a Schedule I controlled substance. Despite this, research into its therapeutic potential for mental health conditions is ongoing
. In summary, LSD is a potent hallucinogen that profoundly alters perception and mood, with effects lasting many hours, and carries risks of adverse psychological reactions
