White cotton balls gradually turn brown after exposure to the smoke.
According to scientists' research, there are more than 4,000 chemicals including 43 carcinogens and 400 toxic substances such as nicotine, tar, ammonia, hydrogen cyanide (HCN), carbon monoxide (CO), formaldehyde and arsenic.
According to statistics, more than 480,000 Americans and 100,000 Britons die each year from cigarette smoke. About 90% of patients with lung cancer are caused by smoking. In addition to harming the lungs, the throat of the cigarette also damages the blood and heart circulation, increases the risk of coronary heart disease, myocardial infarction and stroke.
With the terrible effects of cigarette smoke on the human body, stop smoking and stop killing yourself slowly. It is never too late to quit smoking.