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Professors Susan Jebb and Paul Aveyard team up with the BBC to put the latest research on “crash dieting” to the test.

© This image is to be used only for educational and non-commercial purposes under the terms of the ERA Licence.

Four obese volunteers with serious weight-related health issues, including type 2 diabetes, go on a total diet replacement programme for the BBC's "The Big Crash Diet Experiment" and give up real food, surviving on a very low calorie soups-and-shakes diet.

The programme features department researchers Professor Susan Jebb and Professor Paul Aveyard, who provide expert advice on crash diets throughout the duration of the experiment.

To accompany the programme, we have produced some online advice on total diet replacement programmes ("crash diets") to overview what these weight loss programmes are, who they might be suitable for, potential side effects and where you should go if you're interested in giving this type of programme a try. 

> Total diet replacement programmes - are they right for me? 

> For health professionals: see our guide to TDRs, FAQs and a medication adjustment guide

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