What is the long-term effects of smoking?
Long-term effects of Smoking are as follows:* Lung cancer:: 90% of lung cancer deaths in Bhutan occur among smokers.* Heart disease:: Studies have shown that approximately 40% of deaths due to heart disease before the age of 65 years are related to smoking.* Emphysema and chronic bronchitis:: Smoking is the main cause of chronic bronchitis. Smoking narrows the air passages and destroys the air sacs where gas exchange takes place. It makes breathing difficult. A healthy non-smoker uses about 5% of his energy to breathe but a person with chronic emphysema uses 80% of his strength just to breathe.