They build up plaque which can lead to thrombosis and gangrene. Here's a link to prove it.
The blood vessel gets blocked. In the heart, if one of the coronary arteries get blocked by smoking, it can cause a myocardial infarction (Heart Attack).
Chewing tobacco contains nicotine; nicotine is a stimulant that raises blood pressure. By increasing blood pressure, the blood vessels constrict allowing easier plaque buildup.
Fat
Nicotine.
You think probable to nicotine.
Because of chemical reaction in the brain
They get narrower therefore less blood flows through vessels. The body will try to keep the core warm. Doing so will cause the extremities to become less so.
Taper
walls become narrower
no
Tobacco has never been illegal.
They make other people scared of them, so they become used to tobacco
Tobacco can become addictive at any age. So dont try it
The angle narrows as speed goes up
Atherosclerosis. ( The process starts at the age of seven years ! ) So playing on the ground, is the best way to prevent it. Even adult must play some game, in witch physical activity is involved.
contact "The house of Prince" tobacco firm