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.
Women who smoke are at an increased risk of osteoposis. Male smokers, the mobility of their sperm is reduced. At least 4 million adolescents are current smokers. People who begin smoking at an early age are more likely to develop severe levels of nicotine addiction then those who start at a later age. Low levels of academic achievement and school involvement, lack of skills required to resist influences to use, tobacco and experimentation with tobacco products.