Does Licorice Cause Diarrhea?

Is there something in licorice that causes diarrhea?

Root Canal

What happens when the dentist does a root canal, and why is a root canal done?

Wisdom Teeth & the Evolution of the Jaw

Why do so many people need to have their wisdom teeth removed, and why do so many people seem to have inadequate room for their wisdom teeth in their jaw?

Coffee & Bad Breath

Why does drinking coffee give you bad breath?

What is Thrush?

What is thrush and where does it affect and how?

How do whales make their noise?

Does your heart stop when you sneeze?

How does quinine prevent malaria?

Blushing

What causes people to blush, and what is the evolutionary origins of the human blush?