- Created by: maddieecarr
- Created on: 27-11-19 16:12
B7.1: Non-Communicable Disease
- a non-communicable diease cannot be passed from one individual to another.
- risk factors are aspects of one's lifestyle or substances in the body or environment that have been shown to link to an increased rate of disease.
- for some non-communicable diseases a causal mechanism has been proven for some risk factors.
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- benign and malignant tumours result from abnormal and uncontrolled cell division.
- benign tumours form in one place and do not spread ot other tissues.
- malignant tumour cells are cancers and invade neighbouring tissues. they may spread to different parts of the body through the blood and create secondary tumours.
- lifestyle risk factors for various cancers include smoking, obesity, common viruses and UV exposure. there are also some genes that genetically predispose someone to a cancer.
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B7.3: Smoking and the Risk of Disease
- smoking can cause cardiovascular disease like coronary heart disease, lung cancer and lung dieases like bronchitis and COPD.
- a fetus exposed to smoke has restricted oxygen and can lead to premature birth, low birthweight and stillbirth.
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B7.4: Diet, Exercise and Disease
- diet affects your risk of developing cardiovascular and other diseases directly through cholesterol levels and indirectly through obesity.
- exercise levels affect the likelihood of developing cardiovascular disease.
- obesity is a risk factor for developing type 2 diabetes.
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B7.5: Alcohol and Other Carcinogens
- alcohol can damage the liver and cause cirrhosis and liver cancer.
- alcohol can cause brain damage and death.
- alcohol taken in by a pregnant woman can affect the development of her unborn baby (Fetal Alcohol Syndrome)
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