Oct 19, 2026 · 49 min
Why routine inflammation tests miss immune aging
Inflammation, Aging, & How to Put Out the Fires Your Body Keeps Setting | David Furman, PhD
Chronic inflammation can shape biological aging, yet the standard CRP test may overlook the immune changes most relevant to long-term risk.
- 1Inflammaging differs from helpful acute inflammation and reflects persistent immune activity that accumulates with age.
- 2The microbiome, senescent cells, stress, sleep, environmental exposures, diet, and muscle all influence inflammatory aging.
- 3An AI-derived inflammatory age clock may reveal risk that routine CRP testing misses, while sustainable lifestyle changes offer practical levers.
Don't miss
Furman explains why a broader immune-data model may expose inflammatory aging that a familiar CRP result fails to capture.
The brief
David Furman distinguishes acute inflammation, which helps the body heal, from inflammaging: persistent systemic immune activity that rises with age and can affect multiple aging processes.
The episode links inflammatory aging to the modern exposome, gut-barrier integrity, microbiome diversity, senescent cells, stress, sleep, environmental exposures, and the loss of muscle.
Furman argues that routine high-sensitivity CRP can miss meaningful chronic inflammation, while the IH clock uses broader immune data to estimate inflammatory age and risk.
The practical response is deliberately incremental: establish a baseline, move more, preserve muscle, improve diet and vitamin D status, manage stress, and build changes that can last.
The conversation closes with Furman’s personal picture of a good life: surfing, spending time in nature, and preserving the ability to keep doing both.
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