cause and effect essay on smoking causes lung cancer
Bronchioles and alveoli. Smoking causes the majority of lung cancers â both in smokers and in people exposed to secondhand smoke. But lung cancer also occurs in people who never smoked and in those who never had prolonged exposure to secondhand smoke.In these cases, there may be no clear cause of lung cancer.he two general types of lung cancer include: 1  Small cell lung cancer. 2  Small cell lung cancer occurs almost exclusively in heavy smokers and is less common than non-small cell lung cancer. 3  Non-small cell lung cancer.
Lung Cancer Causes and Effects. How common lung cancer is Lung cancer is the second most common cancer in the United Kingdom (excluding non melanoma skin cancer).Around 41,400 people are diagnosed in the UK each year.Smoking and lung cancer In most people, lung cancer is related to cigarette smoking.oes Smoking Cause Lung Cancer. die from lung cancer and other smoking related diseases than they die from aids, drug abuse, car accidents and homicide, combined. Cigarette smoking is a danger to our life and health.