Diets Debunked: What Is Intermittent Fasting?

Watch: What is intermittent fasting and how does it work?

Dr Sarah Schenker is a registered dietician and is here to discuss intermittent fasting.

This is a popular way of controlling weight, with a number of regimes from alternate fast days to the 16:8 method and the famous 5:2 diet.

Dr Sarah suggests high-protein, high fibre and liquid food on your fast days to keep you feeling fuller for longer.

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