cigarette packs in philippines Warning labels on hi-res stock photography and images Graphic health warning on cigarette

When the smoke reaches your lungs, it travels to the small air sacs (alveoli) and damages them

Smoking reduction and cessation could lower exposure to carcinogenic substances, reduce oxidative stress, and have the potential to mitigate or reverse epigenetic alterations resulting from tobacco use [36,37,38]

So even if you don't smoke, brief exposure to secondhand smoke can be detrimental to your health

The PRISMA flow diagram of an updated systematic review on the relationship between smoking and lung cancer conducted on PubMed to update historical review from previous cycles of the Global Burden of Disease Study

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These are whole, air-cured tobacco leaves