How can smoking harm you? Smoking can harm you by giving you a cough, cold, wheezing and asthma.  Smoking can also cause fatal diseases like pneumonia, emphysema, COPD, and lung cancer.

Data:

 Percent Of teens that smoke: Studies show that only 90% of teens smoke

 How can you prevent smoke? You can prevent smoking by getting more informed of the negative effects that smoking brings to you. Or you can avoid it by saying no if someone offers you some. And do not pay attention to the cigarette just ignore it.