Experts reveal the science behind a cold and found a sneeze travels at 100mph

Experts have studied the science behind the common cold as the sniffles season approaches - and discovered a sneeze travels at 100 mph.

GP Dr Roger Henderson has revealed the sticky ins-and-outs of sneezing, wheezing and other symptoms of the common cold - snot and all.

Sneezing is your body's way of removing irritants from your nose or throat.

But the powerful, involuntary expulsion of air, which typically leaves the body at speeds topping 100mph, contains as many as 40,000 droplets.