Short term
Long term
Research also shows that both verbal and physical violence are linked with long-term amphetamine use. Heavy binges on speed are associated with reckless and aggressive behaviour.
Users also face further psychological issues with prolonged amphetamine use, including attention and memory issues, decreased emotional control, paranoid delusions, hallucinations, mood swings and depression. This can lead to social and financial problems, the risk of family breakdown and losing friends.