Long-term methamphetamine abuse has many negative consequences, including addiction. Addiction is a chronic, relapsing disease, characterized by compulsive drug seeking and use and accompanied by functional and molecular changes in the brain. psychotic features, including paranoia, visual and auditory hallucinations, and delusions (for example, the sensation of insects creeping under the skin) methamphetamine, and stress has been shown to precipitate spontaneous recurrence of methamphetamine psychosis in people who use methamphetamine and have previously experienced psychosis. emotional and cognitive problems observed in these individuals. severe structural and functional changes in areas of the brain associated with emotion and memory. impairs the ability to suppress habitual behaviors that have become useless or counterproductive. The two effects were correlated, suggesting that the structural change underlies the decline in mental flexibility.
-addiction
-psychosis, including: paranoia
-hallucinations
-repetitive motor activity
-changes in brain structure and function deficits in thinking and motor skills
