is weed worse than cigarette smoking Secondhand bong smoke that from tobacco, study finds | Cannabis Marijuana and tobacco are often

Marijuana and tobacco are often compared as better or worse, but when it comes to lung health, smoke itself is the problem. Burning any substance releases toxic chemicals that irritate and damage Archive: Marijuana Shown to Be Less Damaging to Lungs Than Tobacco UC San Francisco Are There Risks From Secondhand Marijuana Smoke? Early Science Says Yes Houston Public Media Here's how your dab pen and vape could affect your mental health National Geographic Does Marijuana Cause Lung Cancer?

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