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Marijuana use as little as once per month linked to heart attack and stroke risk in new study Yes, Smoking Weed Is Bad for Your Heart Using Cannabis and Tobacco Nicotine Together Is Linked to Heavier Use and Poorer Functioning Among Young Adults RAND Young people 'see cannabis as safer than alcohol' Marijuana and Your Lungs: Is Vaping Safe for People with COPD? Tobacco vs. Weed: Similarities and Differences
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