
Doctors Chris and Xand van Tulleken put competing health theories to the test with the help of 30 other pairs of identical twins.
Browse episodes by season for this series.

2019-01-02
Aired 2019-01-02
This episode tests the best way to lose weight, improve memory and beat pain without pills.

2019-01-09
Aired 2019-01-09
Twins test the best way to beat fatigue and discover the effect of smartphones on IQ.

2019-01-16
Aired 2019-01-16
This episode explores the best way to get fit, beat nausea, and discovers if you can enhance brain performance.

2019-01-23
Aired 2019-01-23
Twins find out if its possible to get a better brain, repel mosquitoes and get fit just by watching TV!
2019-01-30
Aired 2019-01-30
Identical twins put health theories to the test. Twins test the best way to kick a habit, see if hand-washing keeps you healthy and try to improve concentration.
2019-02-06
Aired 2019-02-06
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.

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