AI and the World's Hard Problems · Medicine & drug discovery · Medical Xpress · 2026-10-20
New study reveals AI chatbots recognize unnecessary medical tests, but stumble where human doctors disagree

As patients and clinicians increasingly turn to AI for medical advice, a joint study from Ben-Gurion University of the Negev and Clalit Health Services asked whether AI knows when not to test or treat. It found that leading large language models successfully identify when medical interventions are redundant in the vast majority of cases. The models stumbled mainly in gray areas where medical consensus itself is divided.