Professor Hallux is back with his toughest mission yet – answering your questions!

Every episode Professor Hallux will be trying to tackle one of those weird and wonderful questions about the human body that we’ve never got around to finding out the answer for.

• Why do our grandparents have grey hair?
• Why is snot sometimes green?
• Why does poo smell?
• Why do we only have one nose but two nostrils?
• What would happen if we never washed our faces?

Click on an episode below to listen again!

> Visit Professor Hallux’s Happy Health Helpdesk homepage
> Download the free Health Helpdesk podcast from iTunes