Cannabis.. [b]During the high[/b] alters senses Changes in mood Impaired body movement Difficulty thinking and problem solving Impaired memory [b]long term[/b] Reduce thinking, memory, and learning functions Affects connection building in the brain. These effects are often permanent, and develop from 13-20 [b]other health effects[/b] Breathing problems. Lung cancer is still an unknown effect, but has not been completely proven or disproven Increase heart rate. Last 3 hours after smoking. May increases risk of heart attack. Problems with child development during and after pregnancy. [b]mental[/b] Temporary hallucinations Temporary paranoia Worsening symptoms in users with schizophrenia [b]Linked to[/b] depression, anxiety, and suicidal thoughts (last applies to teens) Marijuana is addictive. 1/11 general users and 1/6 teen users become addicted. [b]reported withdrawal symptoms[/b] Grouchiness Sleeplessness Decreased appetite Anxiety Cravings [spoiler]https://www.drugabuse.gov/publications/drugfacts/marijuana[/spoiler]