Polly Aylwin, Research Associate in Translational Physiology features in the Channel Five series Diet Secrets and How to Lose Weight well, measuring each participants weight and body composition at the start and end of the experiment.

In each episode of Diet Secrets and How to Lose Weight a celebrity participant tests out a diet over a 30 day period. Polly Aylwin met with each participant at the start and end of the experiment to weigh them and analyse their body composition and fat distribution.

In the latest episode Big Brother winner Josie Gibson tested the Ketogenic Diet, a high fat, low carb diet. You can watch the full episode and Polly’s results on My5.

The next episode will air on 8 January 2018 at 8pm on Channel 5. 

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