When a cigarette burns, tar is released.
Smokers have more cold and flu then non-smokers and find it harder to recover from minor illnesses.
A smoker gets more nose and throat inflammations, respiratory infections, and chronic bronchitis. A coronary spasm may occur during smoking, which may lead to chest pain, and a heart attack. Blood clots more readily in smokers then in non-smokers. Cigarette smoking is the major cause of cancer of the lips, tongue, salivary glands, mouth, larynx, esophagus, and middle lower pharynx. Smoking is known to cause bladder cancer.