everyday science

List of Harmful Smoking Effects on Lungs and Human Health

harmful Smoking Effects: Smoking is harmful due to chemicals in cigarettes and smoke. Tobacco contains over 4,000 different chemicals, out of which at least 50 are carcinogens and many poisonous.tobacco kinder

Cigarette smoke contains numerous carcinogens (substances that may cause cancer), poisonous gases ( carbon monoxide and hydrogen cyanide), and other chemicals.

One of these chemicals is called coal tar (brown stick substance) that collects in smokers’ lungs from where it passes into the blood. It also kills the cells of the wind-pipe and lungs. Cigarette smoke also contains a strongly addictive drug called nicotine. Even 0.07 grams of nicotine in the blood can be poisonous.effects of smoking on lungs

Many people think that lung cancer is only a smoking-related disease and it is the number one cause of death among smokers. but it is not right. Cigarette smoke affects the body from head to toe. Smokers have a much higher risk of developing a number of life-threatening diseases.

Nicotine is a powerful poison and was widely used as an insecticide in the past. When inhaled through tobacco smoking, it reaches our circulatory system and not only hardens the walls of the arteries but also damages the brain tissues.

Smoking may also lead to cancers in the kidney, oral cavity, larynx, breast, bladder, and pancreas, etc. many chemicals in tobacco smoke damage the air passageway, which leads to emphysema and other respiratory disorders.

Non-smokers who are exposed to second-hand smoke (passive smoke) at home or work increase their heart disease risk by 25-30% and their lung cancer risk by 20-30%.

Smoking also leads to an effect on the circulatory system. The carbon monoxide present in tobacco smoke lessens the oxygen-carrying capacity of haemo-globin. Many other chemicals in smoke increase the production of blood platelets. When platelets are more than the normal numbers, they made the blood viscous and it can arteriosclerosis.

Smokers are at greater risk of developing infections, particularly in the lungs. For example, smoking increases the risk of tuberculosis by two to four times, and pneumonia by four times.

Smoking is also responsible for weakening and staining the teeth. Tooth loss is 2 to 3 times higher than in non-smokers.

Smoking also affects the social life of a person. Smokers may face social un-acceptance because others may not want to be exposed to others’ smoke.

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