If you ask five physicians a question, you might get eight different answers. Karan Singhal of @OpenAI on how OpenAI decides what its models should say about health: "One of the first things that we did when we first started focusing on health at OpenAI was really build this kind of global physician network of hundreds of experts that we work with." "Across the globe, across dozens of specialties and languages and countries of practice, to think about the right ways to aggregate the wisdom of…