Bad Effects of Smoking

Smoking is harmful:

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


What is Nicotine?

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.

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

According to the WHO, the rates of smoking have declined in the developed world. In the developing world, however, it is rising by 3.4% per year as of 2002 survey.


Smoking many also lead to the cancers in kidneys. 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.

The World No tobacco Day is observed on the 31 of May every year.


Smoking also has effects on the circulatory system. The carbon monoxide p present in tobacco smoke  lessens the oxygen-carrying capacity of haemoglobin. Many other chemicals in smoke increase the production of blood platelets. When platelets are more than the normal numbers, they make the blood viscous and it can lead to arteriosclerosis.

Normal and smoking lungs

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

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

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

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

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