secondhand smoke cigarettes Why the smoker the most affected than the person who smokes? Study finds secondhand smoke may
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[DOI] [PubMed] [Google Scholar] Uhl 2008 Uhl GR, Liu QR, Drgon T, Johnson C, Walther D, Rose JE, et al

Its cross-sectional design inherently precludes any inference of causality

It does not burn, does not heat, and does not create aerosol
These prescription drugs protect damaged stomach tissue from acid and enzymes so it can heal

Quitting smoking means totally severing your relationship with an addictive substance
