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  "path": "/releases/2026/05/260511213144.htm",
  "publishedAt": "2026-05-12T08:44:25.000Z",
  "site": "https://www.sciencedaily.com",
  "textContent": "A four-week diet change was enough to make some older adults appear biologically younger in a new University of Sydney study. Participants who reduced fat intake or shifted toward more plant-based protein showed improvements in key health biomarkers tied to aging. The strongest results came from a lower-fat, higher-carb diet, while people eating closer to their usual diets saw almost no change.",
  "title": "Scientists reversed biological age in older adults with a 4-week diet change"
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