Walking is undeniably good for you, but as you age and lose strength and mobility, you may wonder if it’s worth lacing up your shoes and aiming for 10,000 steps.

I spoke to Dian Griesel , a health scientist, counselor and podcaster, who is in her mid-60s so has first-hand experience of the challenges walking presents in later life, offering insights and perspectives I hadn’t considered.

Despite the obstacles older walkers have to contend with, Griesel is a passionate advocate for walking, particularly as an exercise for fat loss and to promote good circulation. “You burn almost as many calories walking a mile as you do running one,” she says, and because walking engages your buttocks and leg muscles—the largest in the body—your heart is working hard to send oxygen around your body to s

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