How the Body Heals After Quitting Smoking

Few habits are as harmful to the human body as smoking tobacco products, especially cigarettes.

The American Heart Association says smoking is the most preventable cause of death in the United States. Smoking is linked to heart disease and stroke and can increase the risk for cancers of the bladder, throat, cervix, pancreas, and mouth. Smoking is linked to roughly 90 percent of lung cancer cases in the United States as well. Lung Cancer Canada indicates the majority of lung cancer cases in Canada — about 85 percent — are directly related to smoking tobacco.

Even though smoking can ravage the b...