cigarette chemicals that cause cancer Cigarettes contain thousands of chemicals—over 7,000 have been identified—many of which are toxic, and at least 70 are known to cancer. 🚭 When a burns, these are inhaled deep harmful ingredients of cigarettes What
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![Cigarette smoking is associated with levels of the serotonin transporter in the brain: a [11C]DASB PET Study](https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c13d/12095803/34d63b1cbd92/pyaf026_fig2.jpg)





