Unit One: Exploring the Principles of Healthy Eating

Topics: Nutrition, Metabolism, Energy Pages: 6 (1176 words) Published: July 11, 2013

Unit one: Exploring the principles of healthy eating

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1. Define what is meant by the term ‘healthy diet’.

A healthy diet is a diet which helps to improve your health. . A healthy diet must consume of appropriate amounts of nutrients and a suitable amount of water. Those nutrients are acquired from all different foods. It helps to lower health risks such as: obesity, health disease, cancer and more. A healthy diet also needs to contain a stable amount of carbohydrates, fats and proteins.

2. Describe why the healthy diets of adults and children may be different. Provide at least three examples of these differences.

1) Children need more fat then adults in order to grow and develop properly as they burn fat quicker than adults 2) Adults drink semi-skimmed milk while children should drink full fat milk (under 2’s) for the development of strong bones and teeth. 3) Adults consume plenty of fibre rich foods whilst children shouldn’t eat too much due to they get full up to quickly and don’t consume enough calories and nutrients

3. Give an outline of at least three lifestyle diseases associated with unhealthy diets.

a) Heart disease

b) Cancer

c) Diabetes

4. Name three sources of energy in food. Then, identify the amount of energy that 1g of each source provides.

Carbohydrates- 1g of carbohydrate = 4 calories

Protein- 1g of protein= 4 calories

Fat- 1g of fat= 9 calories

5. Based on your own diet and lifestyle...

• Estimate your own Basal Metabolic Rate (BMR) 1575.7 • Estimate your own Physical Activity Level (PAL) 1.70 • Based on these BMR and PAL values, what is your total energy requirement? 2678.68 kcal

6. Identify at least two factors that can affect a person’s energy requirements.

1. Body size and weight-the more the size, the more energy required 2. Gender - young male adults need more energy than young female adults

7. For a person you know who wishes to manage their weight, outline the relationship between their energy intake and energy expenditure and the impact this can have on their weight.

Energy intake = energy expenditure (weight is maintained)
Energy intake > energy expenditure (weight increase)
Energy intake < energy expenditure (weight decreases)

8. Why is it important to control your salt intake?

It can lead to high blood pressure, heart problems, cardiovascular disease, increase the risk of death and lastly if a lot of salt is consumed you are twice as likely to experience a clot-based stroke.

9. Complete the table below with information on the five food groups.

• In the left-hand column, list the five food groups.
• In the right-hand column, provide at least two examples of foods belonging to each of the five food groups.

An example has been provided to help you get started.

|Food groups |Examples | |1. Milk and dairy foods |Milk, cheese, cottage cheese, yoghurt | | | | |2. Fruit and vegetables...
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