Does ingesting marijuana have any harmful effects on health?

Medical Marijuana: Nope. That is unless the use of the marijuana is done obsessively, daily, or at the expense of having a real life with real relationships and obligations.

It can: 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. Some people develop a dry mouth, have a rapid heart rate or may feel hungry.