University of California - San Diego Apr 25 2026 A new type of chatbot could reliably help people decide what to do about their symptoms - and do so based on guidance that is both medically sound and easy to understand. The chatbot could help reduce unnecessary hospital visits and ensure that those who need care seek it sooner. A team co-led by engineers at the University of California San Diego published their work in Nature Health . The artificial intelligence-powered tool is designed to