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Health queries are among the most common uses of consumer conversational artificial intelligence (AI), yet little is known about how this usage varies across countries and what characteristics are associated with it. Here we analysed 1.7 million de-identified health-related conversations from Microsoft Copilot across 109 countries and regions, examining two dimensions: intensity (the share of all…

The Consortium for Biomedical Research and Artificial Intelligence in Neurodegeneration (C-BRAIN), a global collaboration of academic researchers, pharmaceutical companies, and philanthropic organizations of which Washington University School of Medicine in St. Louis is a founding member, today launched three open-source AI tools to accelerate research aimed at developing new treatments for Alzheimer’s disease and other…