What are the health risks of smoking marijuana?

Still debated: This is a simple question with a complex answer. Like all medicinal substances, cannabis has both risks & benefits. While calming to most, it causes anxiety & paranoia in some. It can impair short-term memory, reduce co-ordination & increase risk of motor-vehicle accidents in those under the influence. Some become "addicted, " using it as an escape from their problems. Much more to say in comment:.

Mental Health risks: Possible effects of marijuana: anxiety, depression, fear, panic , delusions, paranoia, hallucinations, losing touch with reality, inattentiveness, short-term memory problems, disturbances of thought processes. Fatigue, poor concentration, slowed reaction times ; slowed problem solving.