30-Minute Exercise Routine May Slow Cognitive Decline and Dementia Risk

Across the long arc of human aging, a quiet body of research is affirming what intuition has long suggested: that the body and mind are not separate tenants but partners in the same dwelling. Scientists studying cognitive decline have found that thirty minutes of structured movement, practiced consistently in midlife, appears to help the aging brain clear the metabolic debris that accumulates over decades — slowing, though not reversing, the erosion of memory and thought. The finding carries no miracle, only a measured and accessible invitation: that the choices made in one's forties and fifti