By Dr. Priyom Bose, Ph.D. Reviewed by Lauren Hardaker Sep 18 2025 Researchers found that 10 weeks of supervised outdoor walking or simple weekly reminders helped older adults lower frailty. Still, the improvements vanished after winter, highlighting the challenge of keeping older adults active year-round. Study: The impact of outdoor walking interventions on frailty among older adults with mobility limitations: Findings from the Getting Older Adults Outdoors (GO-OUT) study . Image credit: