How dirty is your car? Do you have to wipe the dust off every time you use it? Shockingly, drivers in the UK don't seem to care about the build-up of germs and potentially harmful bacteria in their cars. Scientists at Salford University who carried out a unique experiment to determine how dirty the inside of our cars really get - and it's worse than many people realise. For more information, Robyn Dwyer spoke to hygienist Dr Lisa Ackerley.

Guests: Lisa Ackerley

Published: Wed 2 November 2016