Diet and CHD
- Created by: vezting
- Created on: 30-03-16 12:31
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- diet
- components
- carbohydrates needed to provide enrgy
- fats/lipids act as energy source, used for insulation, make up cell membranes, physically protect organs
- protiens needed for growth, repair of tissues and to make enzymes
- vitmaines are all needed as they ezch have different functions, Eg D is needed for calcium absorpption
- minerals and salts are all needed as they have different functions Eg iron needed for haemoglobin
- fibre is needed for aiding gut movement
- water is needed for chemical reactions
- malnutrition
- caused by having too little or too much of certain nutrients- not a balanced diet
- malabsorption is where your body cant absorb nutrients, leading to deficiency diseases.
- over nutrition
- can lead to obesity- 20% over the recomended weight
- increases chance of type 2 diabetes, arthiritis, high blood pressure, CHD and some cancers
- ovesity is caused by too little excersise and eating too much
- BMI = mass / height - this is not accurate as doesnt take into account muscle mass
- CHD
- HDL is mainly proteins, transport cholesterol from tissue tpo liver to be recycled, reduces cholesterol levels
- eating polyunsaturated fats increase HDL level
- LDL is found in saturated fats, takes cholesterol from liver to tissue, creates fatty deposits, atherosclerosis
- salt damages artery walls, risks of fatty deposits increased, decreases water potential causing blood pressure to increase
- HDL is mainly proteins, transport cholesterol from tissue tpo liver to be recycled, reduces cholesterol levels
- components
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