Lose weight, gain more energy, boost your metabolism and even live for longer: these are some of the claims made by the adherents of fasting and time-restricted eating. But was does the science say?

In this episode we catch up with Prof Javier Gonzalez, a physiologist based at the University of Bath’s Department of Health.

He tells us all about the effects fasting has on our bodies and brains, breaks down some of the myths surrounding it and tells us the safest way we should go about it if we’re thinking about giving it a try.

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