Lungs diseases
Lungs cancer
- Nowadays the incidence is increasing;
- A growth develops in the wall of the bronchial tubes
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breathing becomes more difficult
X-Ray
Lungs cancer
Healty lungs
Smoking and cancer
Smoking →more incidence of lungs cancer
Smoking and other diseases
Chronic bronchitis = infection of trachea and bronchial tubes;
Emphysema = break of alveoli wall
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cancer of organs
Nicotine
Chemical substance: goes into the blood
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- stimulates the brains and relaxes muscles
- rises blood pressure
- increases fatty subseances in the blood
Smoking and society
- In the UK 60/70 thousand of people die of lung cancer, chronic bronchitis and emphysema every year.
- The lung cancer is more common in people who live in towns than in the countryside.
Hay fever and asthma
- Hay fever: is the reaction to pollen.
People can be allergic to all sort of things and you can find it with a skin test.
- Asthma: the muscles in the wall of the bronchioles contract, so the tubes get narrower.
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makes the breathe difficult
