Lets now turn to substance in cigarette. Cigarette contain more than four thousand substance and two thousand of them have been declared impact is...Lets now turn to substance in cigarette. Cigarette contain more than four thousand substance and two thousand of them have been declared impact is not good for our health. Substance in cigarette are the most dangerous is the tar, nicotine, and carbon monoxide. Nicotine is the substance in cigarette that cause heart disease risk, 25 % of people with heart disease caused by smoking.
And finally,... Show more