What Tommy Wood thinks about energy

@tommy-wood · 26 positions · On ppll ↗

Associate professor at the University of Washington, where his laboratory studies brain health across the lifespan; he holds a medical degree from Oxford and a PhD in physiology and neuroscience from Oslo.

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1 dated position, 2026, in their own words. Our reading of what Tommy Wood has said — not written or endorsed by them.

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1. 20 Jul 2026

   Our readingThe relationship between energy intake and brain size is a bell curve: chronic caloric excess leaves you with a smaller brain, just as chronic restriction does.

   Their wordsAnd what they found is there's kind of this um bell-shaped curve between energy availability and brain volume. And in general, brain volume, right, the more the better, right, we think. And so if you're chronically calorically restricted, your brain is smaller um because you just don't have the resources to invest in, you know, the structure um and to maintain it. At the other end, you see the same thing. So if you're chronically in a chronic state of chloric excess, you also tend to have a smaller brain on average.

   ↗Accelerate Learning & Increase Cognitive Capacity | Dr. Tommy Woodyoutube.com 15th of 26 in this recording