JOuHealth articles
Articles on health, longevity and biohacking
What new studies say, which books are worth your time and what smart watches, rings and scales can really measure. Plain language, linked sources, no promises. New articles on Monday, Wednesday and Friday.
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Books and reviewsSuper Agers by Topol: prevention by dataA cardiologist and one of the most cited physicians in the world argues that the three big diseases of ageing can be detected years before symptoms and often headed off. We read the book with the studies open.
Wearables and devicesSmart ring or smartwatch: what they measureOura, Apple Watch, Garmin, Whoop, Ultrahuman, Withings. All promise sleep, heart rate and recovery. We went through the validation studies to see which sensors measure reliably, which only estimate, and how to choose a device that gives you useful data.
Longevity researchHow long can we live: what the data saysA survey of 103 ageing scientists found that most expect life expectancy to rise by more than ten years within two decades. We looked at what would have to be true for that to happen, and why demographers remain sceptical.
Books and reviewsProtocols by Huberman: what data supportsThe book came out on 15 September 2026 and runs to 540 pages. It offers dozens of routines for sleep, exercise, stress and food. We read it with the studies open and picked out what is worth trying.Books and reviews
Super Agers by Topol: prevention by dataA cardiologist and one of the most cited physicians in the world argues that the three big diseases of ageing can be detected years before symptoms and often headed off. We read the book with the studies open.Protocols by Huberman: what data supportsThe book came out on 15 September 2026 and runs to 540 pages. It offers dozens of routines for sleep, exercise, stress and food. We read it with the studies open and picked out what is worth trying.If you have health problems, always see your doctor.