{"id":261432,"date":"2026-05-22T01:36:12","date_gmt":"2026-05-21T16:36:12","guid":{"rendered":"https:\/\/tenbizt.com\/en\/news\/uncategorized\/2026\/05\/22\/a-100-year-olds-secret-to-longevity-the-surprising-superfood-to-eat\/"},"modified":"2026-05-22T01:36:12","modified_gmt":"2026-05-21T16:36:12","slug":"a-100-year-olds-secret-to-longevity-the-surprising-superfood-to-eat","status":"publish","type":"post","link":"https:\/\/tenbizt.com\/en\/news\/food\/2026\/05\/22\/a-100-year-olds-secret-to-longevity-the-surprising-superfood-to-eat\/","title":{"rendered":"A 100-Year-Old’s Secret to Longevity: The Surprising Superfood to Eat"},"content":{"rendered":"

Not eel or black beans: the inexpensive food a centenarian who walked unaided until 100 swears by<\/strong><\/p>\n

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Contents<\/strong><\/p>\n

Why sweet potatoes are considered a longevity food<\/p>\n

Why a carbohydrate can still be healthy<\/p>\n

Dietary fiber: the key structure<\/p>\n

How it connects to gut health<\/p>\n

Why they’re often recommended in senior diets<\/p>\n

How to eat sweet potatoes the right way<\/p>\n

What long-lived people have in common<\/p>\n

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1. Why sweet potatoes are considered a longevity food<\/strong><\/p>\n

Sweet potatoes have long served as a reliable staple and a wholesome food. They’re affordable yet filling, with a high nutrient density that makes them easy to eat regularly. Because they’re gentle on the digestion and easy to chew, they often appear in diets associated with long life.<\/p>\n

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2. Why a carbohydrate can still be healthy<\/strong><\/p>\n

Although sweet potatoes are a carbohydrate, they’re not the same as foods made mostly from simple sugars. Their fiber and water content slow digestion and blunt rapid glucose spikes. In other words, two foods with similar carbohydrate counts can affect your body very differently depending on their structure and composition.<\/p>\n

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3. Dietary fiber: the key structure<\/strong><\/p>\n

Sweet potatoes contain both soluble and insoluble fiber. That combo supports healthy bowel movements and regularity, and it helps you stay full longer. Eating the skin boosts the fiber content even more, so don’t skip it if you can.<\/p>\n

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4. How it connects to gut health<\/strong><\/p>\n

Your gut environment is tied to whole-body metabolism. Fiber helps shape the gut microbiome and keeps bowel flow steady; when the gut is balanced, other aspects of health often improve as well. That’s why gut health is a frequent focus in diets linked to longevity.<\/p>\n

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5. Why they’re often recommended in older adults’ diets<\/strong><\/p>\n

Sweet potatoes are soft and simple to prepare, so they’re easy for older adults to eat. They also pack a decent amount of energy into a small portion, which is useful for people whose appetites have decreased. That practicality explains their regular presence in rural longevity menus.<\/p>\n

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6. How to eat sweet potatoes the right way<\/strong><\/p>\n

Steaming or roasting are the easiest and healthiest methods. Skip heavy sweetening so you can enjoy their natural flavor. Pairing sweet potatoes with milk or a protein source helps make a more balanced meal.<\/p>\n

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\n kyounoryouri
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7. What long-lived people have in common<\/strong><\/p>\n

Our bodies respond more to a steady, simple eating pattern than to occasional splurges on expensive foods. The people who tend to live the longest usually stick with low-stress, repeatable meals that their bodies can rely on.<\/p>\n","protected":false},"excerpt":{"rendered":"

Sweet potatoes are highlighted as a nutritious, affordable food linked to longevity, praised by a centenarian for their health benefits.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_thumbnail_url":"https:\/\/cdn-union.tenbizt.com\/contents\/crawler-dev\/thumbnail\/2026\/05\/CP-2025-0003\/thumb-76267d7d-57ef-42e4-87c1-8032d2b713da.jpg","footnotes":""},"categories":[278098],"tags":[],"class_list":["post-261432","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-food"],"yoast_head":"\nA 100-Year-Old's Secret to Longevity: The Surprising Superfood to Eat<\/title>\n<meta name=\"description\" content=\"Sweet potatoes are highlighted as a nutritious, affordable food linked to longevity, praised by a centenarian for their health benefits.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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