What are the three main food groups?

Why do we need carbohydrates?

Why do we need proteins?

Why do we need fats?

What are vitamins?

Too little food may lead to...

Too much food may lead to...

If someone’s diet consists of food with a lower energy content than the amount of energy their body uses, the person will lose...

What is the metabolic rate?

What affects the metabolic rate?

What are pathogens?

What are the main types of pathogen?

Once inside the body, bacteria release...