Doctors Chris and Xand van Tulleken put competing health theories to the test with the help of 30 other pairs of identical twins.
Xand van TullekenChris van TullekenLucy Bacon
Returning Series
The Twinstitute
January 2, 2019
February 6, 2019
1
6
English
Wall to Wall West
BBC Two
Identical twins test the best way to learn a new language, attempt to look younger and test an easy way to lower your calorie count.