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Tommy Wood

What Tommy Wood thinks about health and fitness

@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.

Tommy Wood did not write this page.

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Only Tommy Wood on health and fitness. See everyone on health and fitness

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

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  1. Our readingHigh-intensity exercise improves hippocampal structure and function precisely because it releases a lot of cortisol, which is the opposite of the case made against hard training.

    Their wordsThis study directly shows that working really hard, releasing a lot of cortisol in high-intensity interval training actually improves hippocample structure and function um over over time.

    ↗Accelerate Learning & Increase Cognitive Capacity | Dr. Tommy Woodyoutube.com 20th of 26 in this recording

  3. Our readingThe dementia risk from short sleep starts below six hours a night, not below eight.

    dementia

    Their wordsbut I mean in reality when you look at the data on sleep loss and dementia risk The cut off is really around 6 hours. So if you're consistently sleeping fewer than 6 hours, that's where risk starts to increase.

    ↗Accelerate Learning & Increase Cognitive Capacity | Dr. Tommy Woodyoutube.com 24th of 26 in this recording