By Dr. Sanchari Sinha Dutta, Ph.D. Reviewed by Lauren Hardaker Nov 6 2025 New research reveals that even modest daily walking can slow the buildup of Alzheimer’s-linked proteins and delay cognitive decline, giving older adults a realistic path to protect their memory and independence. Study: Physical activity as a modifiable risk factor in preclinical Alzheimer’s disease. Image credit: candy candy/Shutterstock.com A study led by researchers from Mass General Brigham, USA, revealed that a