A leading nutritionist from Japan has revealed the one food she eats every day—a simple, traditional staple also beloved by the remarkably healthy 90-year-olds in her life. Dr. Yuko Tanaka, a Tokyo-based nutrition expert with over two decades of experience in aging and diet, says the food is fermented miso, often enjoyed as part of daily meals in Japanese households. “Almost every healthy older adult I know, including my 93-year-old grandmother, has eaten miso soup nearly every day of their life,” Dr. Tanaka shared in a recent interview. “It’s comforting, nourishing, and excellent for digestion.” What Makes Miso Special? Miso, a fermented soybean paste, is rich in: Probiotics that support gut health Essential amino acids Vitamins B, K, and E...