We know that smoking is a bad habit. Main content of Cigarette is tobacco. Its scientific name is Nicotiana tabacum.The tobacco leaf contains nicotine. Nicotine is highly addictive alkaloid and numerous other chemical. It is harmful for various organ of the body such as heart, lungs, eye, testis, digestive organ etc. It also dangerous for blood vessel.  When we smoke, the people around us also at risk for developing various types of health problem. The effects of nicotine are to increase heart rate, raise blood pressure, constrict blood vessel. Smoking also has a great effect of increase blood cholesterol level (it decrease HDL and increase LDL) and rise fibrinogen level and platelet count. We know that fibrinogen is a major blood clotting factor. The effect of raised fibrinogen and platelet count make the blood stickier than normal condition. Extra cholesterol, fat make plaque .Plaque narrows arteries. when stickiness of blood is increase, the flow of blood is decrease through constrict/ narrows arteries and blood forms clot that results blocked artery. When we inhaling tobacco, carbon monoxide of tobacco binds easily with hemoglobin then oxygen. This effect reduces the blood ability to carry oxygen. Sudden blockage of artery and reduced blood oxygen may lead to various types of heart disease such as coronary heart disease (CHD), PERIPHERAL vascular disease (PVD), heart attack etc. It also causes cancer of the lungs, oral cavity and GIT. When we smoke the content of nicotine irritate the oral mucosa, which increase the risk of cancer of the mouth, larynx, throat etc. It also creates stroke, sexual dysfunction, emphysema, chronic obstructive pulmonary disease (COPD), metabolic syndrome, mesenteric ischemia, aortic aneurysm etc.

If you avoid this harmful thing, you can lead a healthy life. So it is the right time to avoid smoking.