What is a varied diet?

Why can some people eat more food than others without getting fat?

Why should an athlete's diet be different to ours?

What happens if you eat too much?

What health problems can be caused by being overweight?

What health issues can come from being not eating enough food?

Why are people who do exercise usually healthier than those who do not?

What inherited factors affect your health?

What is your metabolic rate?

What are pathogens?

How do pathogens cause disease?

What does 'infectious' mean?

What are bacteria?

What are viruses?

How did Ignaz Semmelweis change the way we look at disease?

How does your body prevent pathogens getting in?

How do white blood cells protect you from disease?

What are antibodies?

What is a medicine?

What are antibiotics?

Why can't antibiotics cure viruses?

How can we grow an uncontaminated culture of bacteria in a lab?

Why do we need uncontaminated cultures?

What temperature should the cultures be kept at in schools and collages and why?

What is antibiotic resistance?

How does your immune system work?

How does vaccination protect you against disease?

How has the treatment of disease changed over time?