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  "path": "/article/does-red-light-therapy-work-what-the-research-says/",
  "publishedAt": "2026-03-26T14:00:00.000Z",
  "site": "https://www.scientificamerican.com",
  "textContent": "People are buying helmets, face masks, vests and beds that emit long-wavelength light. Beneath the hype, there is some interesting biology.",
  "title": "Does red-light therapy work? What the research says"
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