is smoking marijuana as bad as smoking cigarettes Vs. Tobacco: What Science Says About Lighting Up Marijuana linked to heart disease;
Marijuana linked to heart disease; supplement may mitigate risk, study reports Marijuana and Your Lungs: Is Vaping Safe for People with COPD? Yes, Smoking Weed Is Bad for Your Heart Marijuana use as little as once per month linked to heart attack and stroke risk in new study Many Americans wrongly believe exposure to marijuana smoke is safer than tobacco, study finds CNN
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