Ep 4. Make Up, Sleep, Cold

Can out of date make-up make us ill? Dr Phil Kieran investigates the dangers. Can you catch a cold from begin cold? Dr Javid Abdelmoneim heads up the Cairngorm mountains to find out. Why do millions of people struggle to sleep in a strange bed? Dr Helen Lawal looks into the latest cutting edge research and discovers what we can all do to get a better night's rest.