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Study Finds 400,000 Dutch Residents Living With Undiagnosed Type 2 Diabetes

Researchers cite serious long-term harm from late diagnosis, with evidence that sustained weight loss can bring many patients into remission.

Overview

  • Commissioned by Diabetes Fonds, the analysis delivers the first robust estimate of the hidden caseload, which professor Miranda Schram calls extremely concerning.
  • The team combined data from 216,000 cohort participants and corrected the results using CBS figures on age, sex and education, noting higher risk in lower‑educated groups.
  • Researchers report a 33% increase in the undiagnosed population over five years and urge low‑threshold screening to prevent worsening health outcomes.
  • Diabetes Fonds directs the public to its online risk test with GP follow‑up for high‑risk results, as early symptoms such as fatigue, thirst and frequent urination are often overlooked.
  • Evidence highlights lifestyle leverage: roughly 7% weight loss can boost insulin sensitivity by more than 50%, with many patients achieving remission within two years.