Harvard Heart Letter

Marijuana and heart health: What you need to know

Access to marijuana is growing, but its risks and benefits have not been carefully studied. In 28 states in this country, you can legally use marijuana for a range of health problems, including chronic pain, anxiety, and nausea. Smoking is the fastest way to feel the effects of marijuana, which is derived from the Cannabis sativa plant. Yet marijuana smoke contains many of the same toxins, irritants, and carcinogens found in cigarette…

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