Lisa Jarvis, Columnist

For Women, Muscle May Be the Key to Aging Well

Get pumped.

Photograph: Pablo Porciúncula/AFP/Getty Images

New research has a simple message for older women: Muscle matters for living a longer, healthier life.

The study, published in JAMA Network Open, followed thousands of women over the age of 62 and makes clear that even small changes can have a meaningful impact.