nutrition and health

Topics: Nutrition, Obesity, Blood Pages: 9 (2082 words) Published: March 19, 2014
Part 1: Understand how diet is linked to health

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

A healthy diet is something that covers all of your body’s needs, and ensures that your body gets all the nutrients that it requires to stay healthy in day to day life. The things that you require will vary depending on a number of different factors including age, gender and activity levels.

2.Describe why the healthy diets of adults and children may be different. Provide at least three examples of these differences. A healthy adult diet provides everything that the body needs to stay fit and healthy

A healthy children’s diet is a diet that provides everything that they need to stay fit and healthy as well as grow properly. Healthy diets of children is to encourage healthy eating behaviour and to improve their eating habits so that they can have a healthy diet throughout their life

Examples of children diets: children need few calories than adults as their bodies are not as big Salt should not be added to children’s meal
Processed sugar never be added to children’s food

Examples adult’s diets; adults need more calories than children Adults can eat some fried food
Adults can eat plenty of fibre rich foods

3. Give an outline of at least three lifestyle diseases associated with unhealthy diets. a) Unhealthy diet is associated with diabetes:
there are two types of diabetes, type 1 and type 2.
In type 1 diabetes, the body's immune system attacks and destroys the cells that produce insulin. As no insulin is produced, your glucose levels increase, which can seriously damage the body's organs. •Type 2 diabetes is where the body does not produce enough insulin, or the body's cells do not react to insulin. This is known as insulin resistance. •If you are diagnosed with type 2 diabetes, you may be able to control your symptoms simply by eating a healthy diet and monitoring your blood glucose level. •Type 2 diabetes is usually associated with obesity.

b) High blood pressure,
when there is high levels of cholesterol in the blood stream •the risk of developing high blood pressure increases as you get older •a family history of high blood pressure
being of African or Caribbean origin
a high amount of salt in your food
a lack of exercise
being overweight
smoking
drinking too much alcohol
when you are stressed

c) Heart disease and stroke. When we eat too much salt it increases the likelihood of these diseases. •It’s advisable to either eliminate it from our diet or minimise the intake of it. •A change of diet and life style can also help to avoid heart disease. •Eating healthy

A lack of exercise

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

The three sources of energy in food are carbohydrate, protein and fat 1g of Carbohydrates provides 4 calories
1g of protein provides 4 calories
1g of fat provides 9 calories

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

Estimate your own Basal Metabolic Rate (BMR)
Estimate your own Physical Activity Level (PAL)
Based on these BMR and PAL values, estimate your total energy requirement.

Based on my own diet and lifestyle my
Basal Metabolic Rate is 1,691.9
Physical Activity Level is 1.375
My energy requirement is 2326.36

I got these figures by calculating my age which is 50yrs, my height=5ft 7inc, weight =220kg

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

Two factors that can affect a person’s energy requirements are body size and climate.

Health conditions such as blood pressure or diabetes and gender

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. For a person who wishes to manage their weight, they would need to decrease their...
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