what causes mouth cancer in chewing tobacco Early Signs of from Use Chewing tobacco: Oral cancer and
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Cancer.gov
These odors have a notorious ability to permeate fabrics, furniture, and even the walls, leaving a lingering reminder of a single smoked cigarette, a forgotten meal on the stove, or a minor mishap that led to a burnt item

SO THERE IS SOME MATH INVOLVED WITH IT
Even for adults, just being in the same car as someone who is smoking can increase the rate of Heart disease, lung cancer and strokes
Interestingly, we found that certain tobacco-control tools, such as raising taxes on tobacco products, can be just as effective in low- and middle-income countries as they are in high-income countries
