The second series starts with an interactive lesson in how to check your breasts, with volunteers having a go in the studio, and an invitation for viewers to join in from home via Skype. Dr Christian also ventures into the hospital lab to reveal how biopsy work saves lives. And Dr Dawn gets to the bottom of one of our most embarrassing problems - flatulence.

In this edition, a group of men dedicated to promoting early detection of testicular cancer join the doctors in the studio for a live testicle check, and Dr Christian's in the pathology labs at Birmingham's Queen Elizabeth hospital to show viewers how testicular cancer is analysed. Meanwhile, scientist Dr James Logan from The London School of Hygiene and Tropical Medicine shows viewers how a bed bug epidemic spreads by taking just two bed bugs and testing how they multiply in the Embarrassing Bodies House of Infestation. Plus Skype consultations with viewers at home.

This time the subject is poo, as the doctors show how best to do one and how to check for bowel cancer. And scientist Dr James Logan from The London School of Hygiene and Tropical Medicine concludes his bed bug epidemic experiment.