Home / Teen / Drugs and Alcohol / Meth Meth Meth Affects More People Than You Think Meth (Methamphetamine) is a highly addictive stimulant that affects the central nervous system. This drug has single-handedly destroyed persons and their families because of its addictive nature. This is a drug that not only harms the user’s physical and mental well being but also their family. According to Monitoring the Future, about 2% of youth have tried meth by the 12th grade. What Is Meth? Meth is another name for methamphetamine, a highly addictive and dangerous drug. Meth is a stimulant to the central nervous system. When the drug enters the brain, it causes a large release of the neurotransmitter dopamine causing intense feelings of pleasure for the user. Some long-term effects of Meth include: Mood swings Problems sleeping Anxiety and confusion Violent behavior Psychosis (seeing/hearing/feeling things that are not there) Severe weight loss Involuntary movements/twitching Skin sores from scratching Severe dental problems (also known as “meth mouth”) Problems with thinking, emotion and memory How To Get Help If You Know Someone Addicted To Meth If you, or someone you know, has a problem, talk to a trusted adult. Seek out local substance abuse treatment centers in your area for further help. A physician or counselor should be able to assist you in finding treatment centers. You can also seek out local self-help groups such as crystalmeth.org.