Essentials: The Science of Eating for Health, Fat Loss & Lean Muscle | Dr. Layne Norton

Welcome to Huberman Lab Essentials, where we revisit past episodes for the most potent and actionable science-based tools for mental health, physical health, and performance. I'm Andrew Huberman and I'm a professor of neurobiology and ophthalmology at Stanford School of Medicine. And now for my discussion with Dr. Lane Norton. Dr.

Norton, thank you so much for being here. This is a long time coming, and I have to say, as a fellow PhD scientist, I feel a great kinship with you. I know you have tremendous experience in in fitness and nutrition in a number of areas. I'd like to start with something that's rather basic and yet can be pretty complex, and that's this issue of energy balance and energy utilization. What happens when we eat food of any kind and how is that actually converted into energy?

as a way of framing up the discussion around weight loss, weight maintenance, weight gain, and body composition. It's a great question. And like you said, this is one of those things where, you know, people use the term calories in, calories out, and they say, well, that's way too simplistic. And I'm like, if you look at what actually makes up calories in, calories out, it's actually very complicated. So a calorie just refers to a unit of energy, of heat specifically.

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