Several studies reported that ninety percent of lung cancers are caused by smoking. If we smoke five cigarettes a day, we are six times more likely to die of lung cancer than a non smoker. If we smoke twenty cigarettes a day, the risk is nineteen times greater. Ninety five percent of people who suffer of bronchitis are people who are smoking. Smokers are two and half times more likely to die of heart disease than non smokers.
Additionally, children of smoker are more likely to develop bronchitis and pneumonia. In one hour in smoky room, non smoker breathes as much as substance causing cancer as if he had smoked fifteen cigarettes.
Baca Juga: 5 Contoh Analytical Exposition Singkat Lengkap dengan Strukturnya