Smile! - what your lips could be saying about your health. We also compare the different types of oral thermometers. And why washing your clothes could be drying out your skin. Isla and Dr Dave look at the question of why we sometimes pee when we sneeze. We're itching to share our news on what might be irritating your eczema. Looking for a way to keep fit using your smart phone? Well there's an app for that. And we gauge the temperature of the room - or at least its inhabitants - when our flash mob tests oral thermometers.