Many persons who smoke have health problems like heart diseases or lung illness, tobacco smoking affects the brain , has a bad influence on your blood pressure.

Smoking and chewing tobacco each have severe health risks. While smoking is a major risk factor for glaucoma, emphysema, throat cancer, and lung cancer, "chewing tobacco" is connected to a greatly increased risk of oral cancer. Both contain nicotine, which has its own documented health effects.

No, there are no positive effects from smoking tobacco.

James L. Hedrick has written:

'Facts on smoking, tobacco, and health' -- subject(s): Physiological effect, Smoking, Tobacco, Tobacco industry

'Chart book on smoking, tobacco & health' -- subject(s): Physiological effect, Smoking, Tobacco, Tobacco industry

Harmful