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  "path": "/news/2026-03-thymus-function-key-immune-aging.html",
  "publishedAt": "2026-03-05T21:00:01.000Z",
  "site": "https://medicalxpress.com",
  "textContent": "As populations age worldwide, the decline of the immune system, a process known as immunosenescence, has become a critical biomedical challenge. This decline leads to increased susceptibility to infections, reduced vaccine effectiveness, and chronic low-grade inflammation in older individuals.",
  "title": "Thymus function may hold the key to understanding immune aging"
}