We delve into a slew of topics, including new weight loss drugs and how to talk to kids about weight. (CNN) — If you think it’s hard to lose weight and keep it off, you are not alone — and you are also 100% correct. “We evolved not to lose weight intentionally,” paleoanthropologist Daniel Lieberman told CNN Chief Medical Correspondent Dr. Sanjay Gupta recently on the podcast Chasing Life. It’s because we evolved not to lose weight intentionally. “So when people diet, they almost always struggle to overcome ancient, fundamental adaptations to prevent their bodies from losing weight,” he added.

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Persons: Sanjay Gupta, it’s, ” paleoanthropologist Daniel Lieberman, Lieberman, ”, ” Lieberman Organizations: CNN, Harvard University