OCR-Gateway B1 Human Health and Diet

A Balanced Diet
1. Includes: carbohydrate, protein, fat, vitamins, minerals, water, fiber
  1. Important for good health
  2. Carbohydrate made up of simple sugar
    1. e.g glucose
  3. Protein made up of amino acids
    1. For growth and repair
    2. Are not stored
  4. Fat, made up of fatty acids and glycerol
    1. eating too much
      1. Carbohydrates --> stored in live as glycogen of converted into fat
      2. Fats --> stored under skin (around organs as tissue)
2. Varies according to: age, gender, level of activity, religion, vegetarian or vegan, medical issures
Protein Intake
1. Needed for growth and repair
  1. Important to eat correct amount
    1. Calculated by EAR (Estimated Daily Requirement)
      1. EAR (g) = 0.6 x body mass (kg)
      2. Estimated figure on average person
      3. Affected by body mass, age, pregnancy or breast feeding
2. TOO LESS PROTEIN
  1. Causes Kwashirorkor
    1. Common in LEDC countries
      1. Countries overpopulated, have less money, less health care
3. Protein
  1. Cannot be stored but can be converted into other amino acids
  2. First-class protein
    1. Meat & fish
    2. Essential amino acids
      1. Cannot be made by humans
  3. Second-class protein
    1. Plant protein
    2. Do not contain essential amino acids
Overweight or Underweight
1. detected by: BMI (Body Mass Index)
  1. BMI = mass (kg) / (height (m)squared
  2. Overweight, normal, underweight, obese

Resource summary

	Created by emma.sumayaa over 11 years ago