How does smoking damage the mouth?
Smoking is a major cause of cancers of the mouth and throat. Provided cancer is not already present, stopping smoking halves the risk of mouth and throat cancer within five years, and the risk continues to decline over time. People who smoke and are heavy drinkers have very high risks for mouth and throat cancer.
What are the effects of smoking on the lungs?
Lung cancer is the most common form of cancer caused by smoking. More than 80% of cases of lung cancer are due to smoking.
How does tobacco use affect the human body?