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  1. Cannabis smoking - Wikipedia

  2. Cannabis Health Effects | Cannabis and Public Health | CDC

  3. Marijuana (Cannabis, Weed): What It Is, Side Effects & Risks

  4. Cannabis and Secondhand Smoke | Cannabis and Public Health

  5. Cannabis (Marijuana) DrugFacts | National Institute on Drug Abuse

  6. What is the Healthiest Way To Smoke Weed? | Weedmaps

  7. Is Marijuana Bad for Health? Here’s What We Know So Far

  8. If you use cannabis, do it safely - Harvard Health

  9. The Effects of Cannabis on Your Body - Healthline

  10. Know the Negative Effects and Risks of Marijuana Use - SAMHSA