Body & health
The body side of the mind: fitness, aging, heart health, sleep and the physical risks worth knowing, with calculators you can run on your own numbers.
3 posts, 4 health tools and 2 screeners, last updated Oct 12, 2026. Short link: doctorreid.com/body
Items marked Health tool are outside my specialty: general, evidence-based education I built because people ask me about these things as a physician. They are not medical advice; take any number that worries you to your own doctor.
- Midnight in your bodyJet lag, sleep loss and your brain's clock, with a planner for your tripNov 2, 2026
- The mat is a laboratoryWhy I practice yoga, what the science says, and a fact-check of my own keynoteOct 12, 2026
- Heart Risk NavigatorWhat your blood pressure and cholesterol numbers mean for your heart: a calm, visual guide and 10-year risk calculator built on the AHA PREVENT equations.Health tool · outside my specialty
- The Impossible CountryYetis, inner fire and levitating lamas: a century of strange scienceSep 12, 2026
- Caffeine, America's favorite psychotropicWhy a psychiatrist cares about your coffee, with a dashboard for your dose and sleepSep 9, 2026
- The Lifespan AtlasYou don't age all at once. An atlas of aging, fitness and healthspan, organ by organ and decade by decade.Health tool · outside my specialty
- Burn ClockAn evidence-based sun dosimeter: how long your skin can take today's sun, and what UV actually does once it gets in.Health tool · outside my specialty
- VO2maxmaxxingThe fitness number that predicts the most, how it falls with age and how to train it, with a fitness-age calculator and a 12-week plan.Health tool · outside my specialty
- Attention and thinking tasksTimed tasks for reaction time, processing speed and mental flexibility.Screener
- Sleep checksSleep quality and insomnia scales.Screener
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