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What is food?
knows that. You wouldnít be here if you didnít. For
me, itís very simple: food is fish. I just love fish (especially eating
wonder what your favourite food is? Let me guessÖ hamburgers? Ice cream?
Candy bars? Well thatís probably more likely than raw carrots or garlic.
So anyway, what exactly is food? Letís look at what itís made of.
Food (which really includes many types of drinks too Ė like milk shakes and cola Ė but not water) is made up of nutrients. These are the things which give you energy or help build up your body as you grow.
Maybe you already know what the most important Big Three nutrients are:
proteins which you find in meat, fish, beans
Iím sure you know about vitamins. There are quite a few and most of them have letters: vitamins A, B, C, D and E.
And minerals? One is salt. Other important ones are calcium and iron.
Anything else? Well yes. Scientists have discovered that all kinds of other things in fresh fruit and vegetables are very useful in helping stay healthy. This is part of the reason why itís a good idea for people to eat lots of these foods. They contain useful things like flavonoids as well as lots of vitamins. They also have stuff in them that people canít digest very well called fibre (so do grains like oats) which turn out to be useful too because they help prevent nasty diseases like cancer.