The causes of lung cancer in smokers

Established probable cause of lung cancer in smokers, researchers reported at the University of Davis (California). Everyone knows that smoking causes lung cancer, and to make their deaths. But so far not elucidated the mechanisms of exposure to tobacco smoke in the lungs of the smoker. Californian scientists decided to do some research to find out how tobacco smoke affects the lungs. In a series of experiments, scientists working in the lab on lung cells different substances containing tobacco smoke. The scientists were able to determine that the responsible development of lung cancer in smokers hydrogen peroxide (hydrogen peroxide), the part of the smoke. This information on the tobacco, which can create a safe cigarette varieties should be reported, scientists say. According to the World Health Organization, to take away the disease of smokers, the life of one person every six seconds, killing an average of 5.4 million people per year.