Is smoking harmful to the body?

High blood pressure Smoking may be harmful to the body.

Tobacco in the combustion process will produce a large number of harmful substances, such as nicotine, tar, carbon monoxide, etc., may lead to vasoconstriction, increase the burden on the heart, or increase blood viscosity, affecting blood circulation, thus promoting blood pressure to further increase the risk of heart disease, stroke and other cardiovascular diseases. In addition, smoking also stimulates the body to produce adrenaline, leading to faster heart rate and higher blood pressure, not conducive to blood pressure stability. At the same time, long-term smoking may also reduce the body's immunity, making the body more vulnerable to viruses and bacteria.