Tobacco smoking is prevalent in most of the countries of the world. According to a survey made in 1945,on an average 20 cigarettes a day were smoked by every adult in U.K. Since that time there has been so much information about the link between coronary disease ,lung cancer and tobacco that it resulted in definite drop in smoking in U.S.A.Half of the adults in U.K smoke and every year there are 50,000 deaths in U.K which can be contributed to smoking.
SMOKING LEADS TO CORONARY DISEASES.
Nicotine , tar are some the contents of tobacco . Coronary diseases is done by blood clotting , which is done by nicotine as it raises the level of fatty acids .
SMOKING AND LUNG CANCER
Besides carbon particles ,there are other irritants in tobacco smoke ,such as phenols, aldehydes and cyanides and these increase the danger of cancer in lungs. Statistically, smoking has been proved to have definite links with lung cancer, which is our commonest cancer in an age when cancer deaths are on the increase. The death rate from cancer of the lung in heavy cigarette smokers is thirty times more than that of non-smokers.
SMOKING AND WEIGHT
According to a survey , smoking cigarettes cause people to eat less . Though it lowers their weight but it is not sugested that overweight people should start smoking to lower their weight . Also not ignoring the fact that overweight non-smokers are more active than smokers .
OTHER RISKS OF SMOKING
1.Gastric and duodenal ulcers are much commoner among smokers as compared with non-smokers.
2.The chances of giving birth to still baby are more in smoking pregnant women .Smoking increase the amount of carbon-monoxide in blood stream of pregnant woman which deprives the fetus of oxygen leading to still birth or miscarriage .
3.Chronic bronchitis and smoker’s cough are causes by heavy smoking .
4.Consequences of smoking in a polluted area are extremely dangerous . It can cause chest diseases .
By meagre inhaling smoke regularly by sitting close to a smoker can also do harm to person. In public places smoking should be banned ..