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Have you ever tried intermittent fasting? As the month of Ramadan comes to an end, many Muslims are concluding several weeks of time-restricted eating. But outside of religion, many of us are now choosing to eat this way for health reasons – even UK PM Rishi Sunak does a weekly fast. Claimed benefits of intermittent fasting range from weight loss to improved immune function to maybe even living longer, but do these stack up?

James Gallagher gives one of these popular diets a go whilst trying to answer if restricting when we eat our food is good for us. He chats to Colin Selman from the University of Glasgow about the animal studies which inspired these claims, Claudia Langenberg from Queen Mary University on what happens in our bodies when fasting, and Lucy Serpell from UCL on the potential dangers these types of diets can pose. Plus, we visit AFC Wimbledon for an Iftar event to hear if people fasting during Ramadan experience any changes to their health.

Presenter: James Gallagher
Producer: Julia Ravey
Editor: Holly Squire
Studio Manager: Giles Aspen