The Sunday Magazine·THE SUNDAY EDITION

Think it doesn't matter how you dry your hands? Think again

Scientist Keith Redway at the University of Westminster in London has spent the better part of two decades researching hand hygiene. For another segment in our occasional series “Think Again,” he compares hand-drying machines with paper towels. The results may surprise you.
In this segment of our occasional series "Think Again," Scientist Keith Redway compares hand-drying machines with paper towels. The results may surprise you. (Shutterstock)

We seldom think, let alone, think again about how we wash and dry our hands.

Keith Redway, an Emeritus Fellow in the Department of Biomedical Sciences, University of Westminster, London.
Keith Redway, on the other hand, has been researching that topic for about two decades. He is an Emeritus Fellow in the Department of Biomedical Sciences, University of Westminster, London.

As part of our occasional series called "Think Again," he spoke to Michael about the differences between drying hands with paper towels, a warm-air dryer or a jet-air dryer. Which is more hygienic?

Click 'listen' above to hear the interview.