Tag

Biological age

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Fresh chanterelle mushrooms and rosemary sprigs on a wooden board

Ergothioneine topped 991 blood markers of brain health

A Nature Aging study measured 991 blood metabolites in 1,082 middle-aged adults and found ergothioneine, a mushroom-derived compound, had the strongest link to cognition.

Jul 27, 2026

A gloved scientist pipetting a red sample into a rack of test tubes

News

Proteomic aging clocks didn't beat lifestyle questions

A Nature Aging study of 17,473 Europeans found protein-based aging clocks predicted death and disease well, then noted they did no better than asking about smoking, drinking and exercise.

Jul 26, 2026

A rack of labeled blood-sample vials in a laboratory

News

Organ age clocks: a blood test for 40 cell types

Stanford researchers measured more than 7,000 blood proteins in 60,542 people to estimate the biological age of over 40 cell types. Aged cells flagged the risk of Alzheimer's, ALS, and lung cancer years ahead. The test is a research tool, and cell age is an estimate from blood proteins, not a direct measurement.

Jul 23, 2026