number of identified constituents in cigarette smoke Percent composition comparison for e-liquid, e-cigarette aerosol, and Cigarette Tar | PMI Science
Cigarette Tar PMI Science Common Constituents of Tobacco Smoke a Download Table Cigarettes contain about 600 ingredients, but when burned, they produce over 7,000 chemicals. At least 70 of these chemicals are toxic and known to cause cancer. The primary components and resulting chemicals Photo by The Collaborative (@thecollaborativevt) June 25, 2026
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