Doctors Chris and Xand van Tulleken put competing health theories to the test with the help of 30 other pairs of identical twins.
Chris van Tulleken
Himself - Presenter
Xand van Tulleken
Body Atlas
The Checkup with Dr. David Agus
Michael Palin's Hemingway Adventure
Easy Ways to Live Well
Gardening with Carol Klein
The Bad Skin Clinic
Michael Mosley's Science of You
Celebrity Fit Club UK
The Viral Delusion
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