Smoking

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Diseases in Smoking:

Diseases in Smoking We are going to look at the main types of diseases which you can get from smoking, which are: Bronchitis Emphysema Heart disease cancer

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Chronic bronchitis is a chronic inflammatory condition in the lungs that causes the respiratory passages to be swollen and irritated, increases the mucus production and may damage the lungs. The symptoms are coughing and breathlessness, which will get worse over the years. The definition of chronic bronchitis is chronic cough or mucus reproduction for at least three months in two successive years when other causes have been excluded. Bronchitis

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Effects the alveoli The smokers cough weakens the walls of the alveoli, therefore the lungs can not take in enough oxygen which leads to breathlessness. Emphysema

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Increased risk of developing lung cancer Number of cigarettes smoked per day Annual death rate per 100,000 men 010-14 (8 times that of non-smokers) 15-25 (13 times that of non-smokers) 25 or more25 (25 times that of non-smokers) Cancer

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Lung cancer kills more people than any other type of cancer and at least 80% of these deaths are caused by smoking. In 1999, 29,406 people in England and Wales died of lung cancer . It is the tar in the `cigarettes which contain the carcinogenic “cancer causing” substances . Lung Cancer

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Inhaling tobacco smoke causes several immediate responses within the heart and its blood vessels.  Within one minute of starting to smoke, the heart rate begins to rise: it may increase by as much as 30 percent during the first 10 minutes of smoking. Nicotine raises blood pressure: blood vessels constrict which forces the heart to work harder to deliver oxygen to the rest of the body.  Meanwhile,carbon monoxide in tobacco smoke exerts a negative effect on the heart by reducing the blood’s ability to carry oxygen. Heart Disease

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Smoking tends to increase blood cholesterol levels.  Carbon monoxide attaches itself to haemoglobin (the oxygen-carrying pigment in red blood cells) much more easily than oxygen does.  This reduces the amount of oxygen available to the tissues. This again will put pressure on the heart!

Healthy Lungs:

Healthy Lungs You can see how the lung looks without the effects of inhalation of smoke. Note black specks throughout indicative of carbon deposits from pollution.

Lung after smoking:

Lung after smoking Smokers lung with cancer.  White area on top is the cancer, this is what killed the person .  The blackened area is just the deposit of tars that all smokers paint into their lungs with every puff they take.

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