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  "path": "/news/2026-02-blood-marker-people-antidepressants.html",
  "publishedAt": "2026-02-27T12:30:02.000Z",
  "site": "https://medicalxpress.com",
  "tags": [
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  "textContent": "Major depressive disorder (MDD) is among the most common psychiatric disorders, affecting approximately 330 people worldwide. This disorder is characterized by persistent feelings of sadness, hopelessness, low motivation, a loss of interest in daily activities, and possible disruptions in sleep and/or appetite changes.",
  "title": "A blood marker could predict how people respond to antidepressants"
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