Respiratory Disease caused by smoking kill more than 480,000 people in the U.S. each year, according to the Centers for Disease Control and Prevention (CDC). In fact, smoking is directly responsible for almost 90% of lung cancer and COPD deaths.
Smokers have an increased risk of lung disease, including lung cancer. But they also increase their risk for other illnesses such as heart disease, stroke, and oral cancer.
Some of the lung damage can actually be reversed once one quits smoking. Benefits of quitting smoking may include the following: