Unhealthy Diet
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What are the 2 ways of being unhealthy?
Being overweight or underweight
What does malnourishment mean?
Means people have eaten the wrong amount or wrong type of food
Where does energy come from?
Food
What is energy measured in?
Joules/kilojoules
What is 1 kilojoule in joules?
1000 joules
What problems are caused by being underweight?
Poor immune system Lack of energy Lack of vitamins and minerals
What happens if the energy you eat is less than the energy you use?
You lose weight
What are the problems of being overweight?
Heart disease Stroke Diabetes Some cancers
What happens if the energy eaten is more than the energy used?
You gain weight
What happens if you don’t have enough vitamin A?
Night Blindness
What happens if you don’t have enough vitamin D?
Rickets
How do you work out how much energy your body needs?
It depends on age, body size and how active you are