I'm a Medically Conservative, Not Politically Conservative - But Just Conservative Approach to Things

David Perry: We have flip flops in medicine. Why do we adopt something based on low credibility evidence? Because we want to believe we have financial incentive to believe, he says. Perry: I'm more interested in looking back at some of these things that we now accept and understanding why we came to these conclusions. He asks Tracy thoughts on this? That's the broader philosophical question. And it also has a lot of problems, which we'll talk about.