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Instead of reaching for the latest fad diet, the best way to lose weight successfully is a personalised approach - diets tailored to your individual biology and psychology. In a groundbreaking national experiment, Dr Chris van Tulleken and Professor Tanya Byron join a team of leading experts to put 75 overweight volunteers on diets designed to tackle the specific reasons why they eat too much.

The volunteers are put through a series of tests at a residential clinic to understand how their genes, hormones and psychology influence their eating behaviour. They are then put on the diets the experts believe are best suited to them. Can science succeed where other diets have failed?

Release date:

1 hour

Last on

Wed 11 Feb 2015 09:00


Role Contributor
PresenterChris van Tulleken
PresenterTanya Byron
ProducerTom Watt-Smith
DirectorTom Watt-Smith
Series ProducerPaul Overton
Executive ProducerMark Hedgecoe

Interactive eBook


A step-by-step guide to choosing the right diet for you.

What is Cognitive Behavioural Therapy and how can it help?

What is Cognitive Behavioural Therapy and how can it help?

By Prof. Paul Aveyard, Behavioural Scientist

Meet the presenters and experts

Tanya Byron & Chris van Tulleken

Tanya Byron, Chris van Tulleken are joined by four experts

BBC Horizon


Amazing science stories, unravelled mysteries and worlds you’ve never seen before