There is no doubt that smoking is harmful to your health. Smoking is a leading cause of cancer and of death from cancer. Lots of chemicals in tobacco products and secondhand smoke can damage your DNA. It has been found that quitting smoking decreases the likelihood of lung cancer.
Now, researchers found that even for smokers with genetic risk of developing lung cancer, giving up smoking has huge benefits. Giving up smoking reduced the risk of lung cancer by about half, and delayed disease onset. Read More at http://about.cusabio.com/c-19788.html