Angela Rippon investigates claims that the technology we use every day is damaging our eyes and ears, and asks if it is really possible that headphones, smartphones and tablets could be causing an epidemic of hearing loss and blindness. Kevin asks if desk jobs and sofa-bound lifestyles are really as bad for us as some reports suggest. And Steve Brown unpicks headlines claiming antibacterial soaps and gels might actually do more harm than good. Wheelchair user Steve worries his hands come into such close contact with the floor (through his wheels) that his hands might be harbouring some very nasty bacteria - but there are surprising results when he pits products that like to shout about their bacteria-busting properties against plain old soap and water.