can cigarettes hurt your stomach Smoking Affect Gut Health Too! Gastric Cancer and Smoking —

Increases Blood Clots Nicotine and carbon monoxide reduce oxygen levels, making blood thicker and more prone to clotting

Tobacco smoke contains more than 4,000 different chemicals including tar, arsenic and ammonia

While a review of 60 studies presented in 1995 at the International Conference on Alcohol, Drugs and Traffic Safety concluded that marijuana affects all cognitive abilities key to driving safely, including tracking, motor coordination, visual function and focus, users point out how being baked can make them risk-averse and more careful about estimating distance

In fact, the improvement of the cigarette filter continues even now, it is just not so obvious to smokers