Pulling The Thread with Elise Loehnen

Solving Medical Mysteries—and the Diagnosis Crisis (Alexandra Sifferlin)

Apr 30, 2026
Alexandra Sifferlin, health and science journalist and author of The Elusive Body, investigates why diagnostic errors happen and who is trying to fix them. She explores the rise of missed or delayed diagnoses, how modern testing and time pressures changed clinical care, the Undiagnosed Diseases Network’s multidisciplinary model, AI’s role as a diagnostic aid, and the tension between early detection and overdiagnosis.
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INSIGHT

How Time Pressure Drives Diagnostic Error

  • Diagnostic errors are common despite most diagnoses being correct; systemic factors like short visits and administrative burden drive mistakes.
  • Alexandra cites 18-minute average appointments and huge visit volumes to show why complex cases get shortchanged.
INSIGHT

Why Symptoms Get Lost Without Measurable Signs

  • Signs (rashes, test results) now outweigh symptoms in diagnosis because modern tools prioritize measurable data.
  • Alexandra explains patients with fatigue or pain often lack signs and get labeled medically unexplained despite real illness.
INSIGHT

Teach Doctors How To Be Comfortable With Uncertainty

  • Medical training underprepares clinicians to communicate uncertainty; admitting 'I don't know' is rare but crucial.
  • Alexandra notes lack of formal scripts in med school for explaining uncertainty to patients.
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