Lethargy blamed for fatter nation 

1 What are the main components of a balanced diet and why are they needed? 

2 a) Meat is a rich source of protein. What other nutrients may be provided by red meat? b) Suggest two reasons why the amount of red meat consumed per person has declined in recent years. c) What are the main symptoms of iron-deficiency anaemia? d) What other symptoms or conditions may adolescents show as a result of iron shortages? e)Why do women have a slightly higher iron requirement than men? f) Suggest why vegetarians are more susceptible than meat eaters to anaemia. g) What are the main sources of iron in our diet?

3 a) Obesity is a form of malnutrition. Name another condition that may arise as a result of an unbalanced diet. b) Give three reasons why we should not want to become obese. c) What factors are believed to contribute to the development of obesity? d) By what percentage has television viewing increased since the 1960s? e) What can people do to reduce the risk of developing obesity?

4 a) Which micro-nutrient may help to protect older people against the risk of a heart attack or a stroke? b) Why does the frequency of heart attacks (in older people) increase during the winter months? c) What is meant by the term micro-nutrient? Give an example of another, not mentioned in the articles, and state its role in the body. d) Why were English sailors known as 'limeys'?

5 a) Which common drug might be useful in the prevention of bowel cancer? b) Would the dose required be more or less than that used for treating a headache? c) What problems does the drug cause in some people? d) From which plant was the drug originally derived? e) One of the components of a balanced diet is also believed to help in reducing bowel cancer. What is it and which foods are rich sources of it?