New year, new diet, live forever?

It’s that time of year again. If you’re changing things up, there’s a lot of diets out there that claim to help you live longer. Our friends at Today, Explained ask: How much of this is real and how much of it is nonsense?

Guests: Anahad O’Connor, health columnist at the Washington Post; Saul Justin Newman, researcher at the University College London Centre for Longitudinal Studies

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