We're replacing BBC Sounds outside the UK and bringing you BBC.com, a seamless way to read, watch, and listen - all in one place.

Visit bbc.com/audio or need more help?

A Thorough Examination with Drs Chris and Xand

Drs Chris and Xand van Tulleken explore the science of exercise and the dangers of inactivity. Can Xand persuade Chris to do some exercise?

Radio 4,27 episodes

Episodes