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Unit 3. Health and illness.

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Healthy eating. What are nutrients? Nutrients are the substances in food that are necessary to live, grow and be healthy.

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A balanced diet includes a variety of food with different nutrients such as vitamins and minerals, carbohydrates, proteins and fats.

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Vitamins and minerals. We can find them in fruit and vegetables. We can find carbohydrates

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in potatoes, bread, cereals, pasta, pulses and rice. Proteins are found in meat, fish,

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eggs and dairy products. Fats are in oil, butter, chorizo, cheese. Vitamins and minerals

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prevent colds. Carbohydrates give us energy. Proteins provide strong bones and fats give

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us extra energy. Learn more about healthy eating clicking on this link. A healthy lifestyle.

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To keep healthy we should be active, do exercise at least three times a week, limit screen

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time no more than two hours a day sleep at least nine hours you will be awake

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and active during the day be hygienic wash your hands and brush your teeth

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learn more about a healthy lifestyle clicking on this link and healthy habits

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Some habits that are bad for your health are overeating, carrying heavy weight, smoking, drinking alcohol.

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Learn more about unhealthy habits clicking on this link.

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Food intolerances. What are food intolerances?

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The digestive system doesn't work well when eating specific ingredients like gluten or lactose.

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and what are allergies your body reacts badly to certain foods like nuts seafood

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or eggs or something in the environment like pollen animal hair or dust mites

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allergies can be treated with medicines learn more about food intolerances and

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allergies clicking on this link health and medicine scientists have made

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discoveries and invented machines that help to prevent and cure illnesses for

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example penicillin to cure bacterial infections vaccinations to prevent

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viruses the x-ray machine to see bones and joints the ultrasound machine to see

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inside our bodies what's first aid we can give first aid in an emergency to help a person who

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is injured or ill for example if someone is bleeding you have to clean the cat and press

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down with a soft cloth it's if someone has a ball cool under pool running water

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If someone is choking, firm hit on the back of the person.

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If someone is badly hurt, call the emergency services on 112.

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Here you have a review with all the contents of this unit.