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Doctors Chris and Xand van Tulleken put competing health theories to the test with the help of 30 other pairs of identical twins.
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The Twinstitute
2019 • 1 Season
Doctors Chris and Xand van Tulleken put competing health theories to the test with the help of 30 other pairs of identical twins.
Latest Episode
Learn a Language
S01 E06 • Wednesday, Feb 6, 2019 • Feb 6
