what are the effects of using marijuana
Long-Term Effects of Marijuana. The long-term effects of marijuana can lead to an adverse effect on memory and learning. Those who smoke marijuana consistently when young may experience cognitive impairment as adults even when no longer using the drug. The long-term effects of marijuana can be unpredictable.
Marijuana may indeed be harmful. There is a link between long-term marijuana use and increased rates of schizophrenia, depression and anxiety. Marijuana also increases a person's heart rate for up to three hours after use, putting users at risk for heart attack during that period.