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7 Chemicals in Cigarettes That Cause Heart Disease


6. Carbon Monoxide

This substance found in cigarettes is extremely harmful to those who already have coronary heart disease. Even breathing and smoking low levels of it can cause serious damage to the cardiovascular system. It’s the same invisible and odorless gas emitted by running cars in closed garages that’s known to lull whole families to their sleepy death.

cigarette-smoke 7 Chemicals in Cigarettes That Cause Heart Disease