explains why marijuana users sometimes get "bad trips." When we interviewed Dr. Gupta back in August, he also talked about why smoking is not the best way to consume marijuana. Produced by Kamelia ...

This increase may in part be due to the lack of strong evidence supporting the suspected risks of cannabis use. Indeed, though marijuana smoke carries carcinogens and tar just as tobacco smoke does, ...

Research has found that cannabis use is associated with an increased risk of heart disease. Some studies show that THC causes inflammation in the cells that line the heart and blood vessels.