cigarettes help digestion Cary Gastroenterology Associates Smoking may spark lung-to-brain reaction

Conclusions Both high genetic risk and smoking were independently associated with higher lung cancer risk, but the increased risk of smoking was much more significant than heredity

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The researchers also found that switching to a nicotine-containing e-cigarette is associated with a greater likelihood of quitting smoking

This means that over time, by inhaling these compounds into the lungs and then metabolising them throughout the body, cells which come into contact with these carcinogens become more likely to change and mutate, resulting in the formation of cancers such as lung or bladder cancer