10 Benefits of Not Smoking for 30 Days Why Quit Smoking? Cigarette smoke contains over 4,000 chemicals, including 43 known cancer-causing (carcinogenic) compounds and 400 other toxins.
10 Benefits of Not Smoking for 30 Days Why Quit Smoking? Cigarette smoke contains over 4,000 chemicals, including 43 known cancer-causing (carcinogenic) compounds and 400 other toxins.
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