In this Daily Dose, Drs Chris and Xand van Tulleken are returning to their episode on knees with rheumatology professor, Phil Conaghan from University of Leeds. Phil gave Chris some sage advice on why you shouldn't avoid exercising your knees if they give you pain from time to time.

Daily Doses of expert wisdom from previous episodes will be dropping each weekday throughout January (except Tuesdays). You'll find them in the What’s Up Docs? feed on BBC Sounds, alongside all the main episodes of the podcast.