Discover the secrets behind exceptional longevity and athletic performance in your senior years. Yul Kwon, a 90-year-old former academic, demonstrates that age is merely a number when combined with consistent physical training, nutritional discipline, and adequate rest. His approach to maintaining endurance capacity through half-marathon participation reveals how lifestyle choices—particularly structured exercise routines, Mediterranean nutrition patterns, and prioritized sleep hygiene—contribute to vitality and wellness well into the ninth decade of life.

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