Methamphetamine, often referred to as meth, is a powerful and highly addictive central nervous system stimulant. It is chemically similar to amphetamine, a drug used to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy. Methamphetamine can be found in various forms, including powder and crystals, and is known for its potential to cause severe psychological and physical health issues, including addiction, heart problems, and cognitive impairments. Its illegal use and production contribute to significant social and health challenges globally.