What Percent of Lung Cancer is Caused by Smoking?

Lung cancer is one of the effects of smoking among other many types of smoking cancers. In other hand most of smokers did not know what percentage of lung cancer caused by smoking? Based on the recent research have showed that 90 percent of lung cancer caused by smoking. It is because cigarette smoke into the lungs, then the substance of cigarette smoke will stimulate lung cells grow abnormally widened, so that growth will be higher cancer after getting the stimulation of cigarette smoke.

Not only increase percentage of lung cancer risk, but also lung cancer deaths is attributed to smoking also increased. as reported www.tobaccoatlas.org, smoking has killed 50 million people in the last 10 years, and smoking is responsible for more than 15 percent of all male deaths and 7 percent of female deaths. The victims of smoking cancer death higher than a high disaster in US.

Moreover, many harmful substances in a cigarettes. It are 4000 chemicals contained in cigarettes, 40 were classified as hazardous substances such as: hydrogen cyanide (HCN), arsenic, ammonia, polonium, and carbon monoxide (CO).

Others chemical substances that cause increase the percentage of lung cancer by smoking and other diseases as follow:

1. Irritant. Cigarettes also contain irritants that can pollute the airways and air sacs in the lungs and cause coughing.

2. Tar.  The Substance like chemical in asphalt that can be attached to the lungs and can cause irritation and even cancer and these substances affect the human body include:

• Killing cells in blood vessels
• increase the production of mucus in the lungs
• Exposing lung cancer

Other lung diseases caused by smoking is Chronic Obstructive Pulmonary Disease (COPD). This condition causes the blood flow is blocked so as to make one's hard to breathe, and about 80 percent of COPD cases are caused by smoking. This condition can lead to emphysema (shortness of breath due to damage to the air sacs or alveoli) and chronic bronchitis (cough with mucus that occur continuously for 3 months).

Therefore what percentage of lung cancer caused by smoking already know that is equal to 90 percent. We can say the majority of lung cancers are caused by smoking or 9 out of 10 lung cancer due to smoking. While the percent of lung cancer deaths are related to smoking around 50 percent. Now, start to quit smoking in order to reduce the percentage of lung cancer risk for yourself and global percentage.

Source: www.smokingcausescancer.com

LiveJournal Tags: Health,Cancer