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The world’s oldest neurologist answers your questions about aging | National Geographic

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At 103, Howard Tucker is the world’s oldest practicing doctor. He answered these burning questions from Nat Geo readers. It can be overwhelming to navigate all the advice out there on how to live a longer and healthier life. But who better to learn from than someone who has already done it? National Geographic recently went right to the source of longevity tips in an interview with Howard Tucker, who at 103 is the world’s oldest practicing doctor—and a TikTok star, with 102,000 followers and counting. His secret to longevity? As Tucker told writer Alisa Hrustic, he credits “a continuous pursuit of knowledge and connection—and the occasional martini.” (At 102, he’s the world’s oldest practicing doctor. These are his longevity tips.) Tucker’s advice was so popular that we put out a call to readers, offering you a chance to ask him your own burning questions about aging, longevity, or living a healthier life. And Tucker delivered. Read on to find out whether he answered your question—and

The world’s oldest neurologist answers your questions about aging | National Geographic Premium HEALTH The world’s oldest neurologist answers your questions about aging At 103, Howard Tucker is the world’s oldest practicing doctor. He answered these burning questions from Nat Geo readers. Dr. Howard Tucker, the world's oldest practicing doctor, answers your questions about how to stay healthy for longer. Image Courtesy What's Next? Documentary Text by Amy McKeever Video by Austin Tucker Published August 15, 2025 It can be overwhelming to navigate all the advice out there on how to live a longe

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