World No Tobacco Day 2017 - Wednesday, 31 May

Smokers have higher risk of cardiac & blood vessels related diseases.
Smoking accelerates chances of stroke & heart related diseases.
Smoking even few cigarettes a day (upto 5) can accelerate chances of stroke and cardiac diseases.
Smoking impacts the blood vessels negatively. It makes the blood vessels narrow and thick restricting normal flow of blood.
Narrow and thick blood vessels make the heart beat faster than normal. Blood pressure increases. Clots form to make things worst.
Clots may hamper or block normal blood flow to brain and can trigger stroke. The damaged blood vessels in or connected to brain may also burst.
Restricted blood flow and blocks also impact legs, movement, coordination and skin.
Quit Smoking and Live Healthy.

Ref Link : https://www.cdc.gov/tobacco/data_statistics/fact_sheets/health_effects/effects_cig_smoking/