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NIH-Funded Study Shows No Clinically Significant Mental‑Health Gain After Two Years of Puberty Blocker Treatment

This finding undermines evidence used to justify early medical treatment for minors and raises questions about research transparency and clinical practice.

Overview

  • Late August 2026 documents obtained by the Oversight Project and published by outlets including the Daily Signal reveal the final report of 'The Impact of Early Medical Treatment in Transgender Youth'.
  • The report found mean mental‑health scores were essentially unchanged over two years after treatment that began with puberty blockers while reported suicidality fell from baseline to 24 months.
  • The observational cohort followed roughly 100 participants and included children as young as 8 with the blocker sample up to age 16 and the hormone sample up to age 20.
  • Researchers flagged possible physical effects tied to treatment such as lower bone‑mineral density, changes in cholesterol, altered hematocrit in some testosterone recipients, and potential reproductive impacts.
  • The study is observational so it cannot establish causation, publication was previously withheld by the lead investigator over fears of 'weaponization', and the release has prompted calls for greater NIH transparency and renewed policy review of care for minors.