Smoking Is a Bad Habit

3034 WordsMay 3, 201313 Pages
Smoking Is a Bad Habit Project 2012 Introduction People smoke mostly in the form of cigarette. Some people use even cigar, pipes etc. All these contain dried leaves of tobacco plant. A cigarette or any such thing is made for the purpose of inhaling smoke. It contains a harmful substance 'nicotine'. Tobacco is an agricultural product, grown in the farms. Farmers get good income by growing the tobacco as an agricultural plant. Tobacco is also used in preparation of some medicines. But when tobacco is used just for pleasure, is harmful to life. Smoking causes many harmful diseases like lung cancer, emphysema, heart attacks, high blood pressure, and chronic obstructive pulmonary disease and can lead to birth effects. Some people smoke…show more content…
How do cigarettes damage health? Cigarettes contain more than 4000 chemical compounds and at least 400 toxic substances. When you inhale, a cigarette burns at 700°C at the tip and around 60°C in the core. This heat breaks down the tobacco to produce various toxins. As a cigarette burns, the residues are concentrated towards the butt. The products that are most damaging are: • tar, a carcinogen (substance that causes cancer) • nicotine is addictive and increases cholesterol levels in your body • carbon monoxide reduces oxygen in the body • components of the gas and particulate phases cause chronic obstructive pulmonary disorder (COPD). The damage caused by smoking is influenced by: • the number of cigarettes smoked • whether the cigarette has a filter • how the tobacco has been prepared. Smoking affects how long you live Research has shown that smoking reduces life expectancy by seven to eight years. Of the 300 people who die every day in the UK as a result of smoking, many are comparatively young smokers. The number of people under the age of 70 who die from smoking-related diseases exceeds the total figure for deaths caused by breast cancer, AIDS, traffic accidents and drug addiction. Non-smokers and ex-smokers can also look forward to a healthier old age than smokers. Major diseases caused by smoking CARDIOVASCULAR DISEASE Cardiovascular disease is the main cause of death due to smoking. Hardening of the arteries is a
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