how cigarette smoke affects the lungs Why Smoking ANYTHING Can Cause Lung Cancer Smokers' Lungs vs Healthy Lungs:

Smokers' Lungs vs Healthy Lungs: Comparison & Effects of Smoking This Is What Happens When You Smoke , Every puff exposes your body to thousands of chemicals, many of which are harmful., Your lungs become damaged over time, Your heart has to work harder, Smoking causes deep, progressive damage to the lungs by destroying air sacs, narrowing airways, reducing oxygen exchange, and weakening natural cleansing mechanisms. Over time, it leads to chronic cough, breathlessness, COPD, and 99,066 Smoking Effect On Human Lungs Royalty Free Images, Stock Photos & Pictures Shutterstock

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