self-help
Scientists Scanned 26K Brains & Found This Metric Predicted Cognitive Decline
Key takeaways
- Author: Ava Durgin April 29, 2026Assistant Health Editor By Ava Durgin Assistant Health Editor Ava Durgin is the former Assistant Health Editor at mindbodygreen.
- But what if we've been looking at the wrong number this entire time?
- A new imaging study involving nearly 26,000 adults just challenged one of our most fundamental assumptions about body composition and health.
Why this matters: practical guidance grounded in recent research or expert insight.
Author: Ava Durgin April 29, 2026Assistant Health Editor By Ava Durgin Assistant Health Editor Ava Durgin is the former Assistant Health Editor at mindbodygreen. She holds a B.A. in Global Health and Psychology from Duke University.Image by Marija Savic / Stocksy April 29, 2026We've been conditioned to believe that weight, specifically, staying within a "healthy" BMI range, is the ultimate marker of metabolic wellness.
But what if we've been looking at the wrong number this entire time?
A new imaging study involving nearly 26,000 adults just challenged one of our most fundamental assumptions about body composition and health.
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