dementia

Longevity

What Centenarians' Gut Bugs — and a Nursing Home's — May Be Telling Us About Aging

Two new microbiome studies bracket the human lifespan, hinting that the bacteria in our intestines track with both extreme longevity and cognitive decline. The signals are early, but intriguing.

Longevity

Dementia Before 65: New Cohort Data Shows Early-Onset Risk Looks Different

A harmonised analysis of five major UK and US cohorts finds that the midlife risk factors for early-onset dementia don't always track the familiar late-onset picture — a moderate but consequential signal for how we screen.