This is because the tar in cigarette smoke (not the nicotine) causes the body to break down some substances more quickly than usual
Tobacco Market, By Product, 2019-2032 (USD Billion) 27
This isn't the tobacco fragrance I was expecting or even hoping for, but it is a masterpiece in every sense of the word
Therefore, lung-derived cytokines may well be the prime explanation of the higher TNF-, IL-2, IL-4, IL-6 and IL-10 concentrations and the lower level of the anti-inflammatory IL-12p70 concentration in smokers than non-smokers, indicating that even young-adult asymptomatic smokers suffer from a low-grade systemic inflammation
While nicotine may stimulate specific biochemical pathways, cigarette smoke contains thousands of toxic chemicals that significantly raise the risk of cancer, cardiovascular disease, respiratory illness, and premature mortality