1. What vitamin deficiency causes scurvy?

2. Which disease has killed more people throughout history than any other?

3. According to research in February 2026, which cited an aspiration to reduce the effects from three primary factors – i.e. tobacco smoking, infections such as HPV and Hepatitis B & C and alcohol consumption, what percentage of all cancers are then most likely to be preventable?

4. The dung from which animal was commonly used in Ancient Egypt, mixed with honey and other substances, in a painful method of contraception.

5. What simple hygiene product could save hundreds of thousands of children’s lives every year — yet is often unaffordable?

6. How many healthcare workers are there globally?

7. What percentage of the world’s children receive basic vaccines?

8. Which country has the highest suicide rate?

9. In which city was the first motorised ambulance service?

10. How many people worldwide have diabetes (all ages)?