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  "path": "/popular-supplement-ingredient-linked-to-shorter-lifespan-in-men/",
  "publishedAt": "2026-05-13T20:21:47.000Z",
  "site": "https://scitechdaily.com",
  "tags": [
    "Health",
    "Alzheimer's Disease",
    "Dementia",
    "Neurology",
    "Public Health",
    "Supplement"
  ],
  "textContent": "Researchers found that men with genetically higher tyrosine levels appeared to live slightly shorter lives, raising new questions about amino acids often promoted for mental performance. Could a common supplement ingredient tied to focus and energy actually have a hidden downside for longevity? A large new study suggests that higher levels of the amino acid [...]",
  "title": "Popular Supplement Ingredient Linked to Shorter Lifespan in Men"
}