Doctors Chris and Xand van Tulleken put competing health theories to the test with the help of 30 other pairs of identical twins.
Episode 1
Get Thin Fast
This episode tests the best way to lose weight, improve memory and beat pain without pills.
Episode 2
Sleep Deprivation
Twins test the best way to beat fatigue and discover the effect of smartphones on IQ.
Episode 3
HIIT versus Easy
This episode explores the best way to get fit, beat nausea, and discovers if you can enhance brain performance.
Episode 4
Better Brain
Twins find out if its possible to get a better brain, repel mosquitoes and get fit just by watching TV!
Episode 5
Giving Up Smoking
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.
Episode 6
Learn a Language
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.
Chris van Tulleken
Himself - Presenter
Xand van Tulleken
2019 · ★ 6.6
2005 · ★ 8.0
2020 · ★ 7.4
2020 · ★ 7.7
2023 · ★ 6.3
1964 · ★ 7.5
2022 · ★ 7.0
2023 · ★ 7.9
2020 · ★ 7.1
1978 · ★ 8.0
2020 · ★ 7.0
2025 · ★ 7.9
2020 · ★ 8.1
1994 · ★ 7.5
1986 · ★ 7.0
1987 · ★ 6.7
2009 · ★ 7.5
2016 · ★ 7.4
2021 · ★ 8.0
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