Diet and Exercise

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  • Diet and Exercise
    • A Healthy Diet is BALANCED
      • Carbs (e.g. breads, cereals, pasta, etc. and sweets, jam, etc.)
        • A quick energy source
      • Protiens(e.g. meat, fish, lentils)
        • For growth and repair
      • Fats (e.g. milk, cheese, butter, some fruit, etc.)
        • An energy source, insulation, making hormones and cell menmbranes
      • Fibre (e.g. wholegrain bread, some fruits and veg, etc.)
        • To help digestion and prevent constipation.
      • Why we need it:
        • Energy
          • How much do we need?
            • This depends on your:
              • Activity - how much exercise?
              • Age - your energy needs change with age
              • Body size and proportions - the bigger you are the more you need
              • Temperature - how cold ior hot it is
        • Growth and repair
        • To stay healthy
        • Warmth
      • Nutrient:A chemical which the body needs to keep it working properly
      • Only need small amounts of vitamins and minerals (RDA). If your diet lacks this, you can develop a DEFFICIENCY DISEASE
    • Metabolic Rate
      • The   speed of chemical reactions that  burn energy in cells.
      • Partly inherited
      • Affected by multiple other factors
        • Amount of exercise you do
        • Body composition, e.g. Muscle tissues use 3x more energy than fat
      • More exercise= more muscle =higher resting MR
    • BMI
      • Body Mass Index
      • BMI= mass/height2
    • Fad diets
      • GI diet
      • Detox diet
      • Cabbage soup diet
      • Low carbohydrate diet
      • Dairy free diet
      • South Beach diet
      • Mediterranean diet
      • eDiet
      • Weight watchers diet
      • Low salt plan
      • Zone diet
    • Weight problems
      • When we eat more food than we need the extra that isn't needed is stored as fat.
      • This can lead to obeisity
        • Obese people are generally less fit, and the extra weight can mean they are more likely to suffer from:
          • Arthritis (worn joints)
          • Diabetes (high blood sugar)
          • High blood pressure
          • Heart disease
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