Being around tobacco smoke is bad for you, even if it's someone else's smoke.
When someone smokes a cigarette, most of the smoke doesn't go into their lungs.
Heart then has to work more for maintaining supply to the entire human body.
The blood vessels are narrowed causing high blood pressure.
Moreover, smoking impacts the cardiovascular system of human beings which also becomes a cause of high blood pressure or hypertension.
The effect of high blood pressure is heart related diseases.
Cigarettes contain tobacco which, in turn, possesses nicotine and different other toxic chemicals.
These chemicals cause blood vessel to be narrower than normal.
There are numerous harmful as well as dangerous effects related with smoking.
Carbon monoxide and nicotine in cigarette smoking has been related with several adverse impacts on lungs and heart.