Is it Tobacco that is bad for you?

It's supposed to be a carcinogen which ever way you take it - even chewing it. You never know though as there is no direct link to cancer with everyone. Some people get it, some people don't - It's all about risk and it increases the risk.
 
It's Tobacco that screws up your lungs.
In the Tobacco, there's nicotine.

When a person smokes a cigarette, the body responds immediately to the chemical nicotine in the smoke. Nicotine causes a short-term increase in blood pressure, heart rate, and the flow of blood from the heart. It also causes the arteries to narrow. Carbon monoxide reduces the amount of oxygen the blood can carry. This, combined with the effects produced by nicotine, creates an imbalance in the demand for oxygen by the cells and the amount of oxygen the blood is able to supply.

Cheers
 
It's the tar that comes from burning tobacco that is bad for you
 
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