Smoking has many adverse effects on the entire body and it is the biggest cause of lung cancer. Apart from lung cancer, it causes many other cancers as well as many other health conditions (including heart diseases). Other cancers caused by smoking are cancers of the blood, mouth, larynx, pharynx, oesophagus, stomach, liver, intestines, pancreas, cervix, kidney, bladder, etc.
Smoking any tobacco-containing substances (like cigarettes, cigars, pipes, shisha/hookah/water pipes) increases the risk of lung cancer. The higher the number of cigarettes you smoke per day, the greater your risk of lung cancer. Also, the number of years you smoke has an even bigger effect on your risk of developing lung cancer than the number of cigarettes you smoke in one day.
Below are the benefits of quitting smoking: