Answers

2016-07-18T15:56:48+08:00
Tobacco is superbly harmful,for both smoker or non-smoker that breathing only a little of it can be so harmful.it has many harmful chemicals about 7,000 different chemicals in one tobacco smoke,250 of them are known to be so harmful including hydrogen cyanide, carbon monoxide, and ammonia.that can cause mutations including breast cancer itself.
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