Insights

Notes on the future of medicine.

Essays and commentary on prevention, longevity, AI in medicine, and the forces remaking American healthcare, written from four decades at the bench, the bedside, and the helm of an academic medical center.

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Latest Essays

Epigenetic clock and biological aging illustration

Longevity · June 3, 2026

The Prevention Decade

Why the next era of medicine is defined by healthspan, not just lifespan. What GLP-1s, epigenetic clocks, and mitochondrial biology actually tell us about aging well.

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More essays are on the way. For evergreen explainers on specific subjects, see the topic pages on AI in medicine, longevity, and GLP-1s & cardiometabolic health.