Our guest today on the Rational Reminder Podcast is Dr. Wendall Mascarenhas. Wendall is a listener, DIY investor a medical professional. He actually reached out to us on Twitter and suggested this episode, a listener-centric discussion as well as one comparing the different approaches to evidence from the medical and the financial communities. We thought this was a great idea and the perspective that Wendall offers is very illuminating and thought-provoking. We discuss some of Wendall's own experience and background in both investing and medicine and from there go onto a more theoretical discussion of evidence and literature, asking the question why the financial industry is not more concerned with data. Wendall lays out the evidence pyramid and explains a few of its layers, we discuss a few tips and think about the extent to which DIY investors should involve themselves in their money with things like factor investing. Wendall also offers some of his thoughts on financial advice and the emergence of new information. For this fresh and insightful chat, be sure to join us! Key Points From This Episode: Why Wendall chose to reach out to us over Twitter. [0:03:01.8] Wendall's medical background and the perspective he brings to investing. [0:04:00.1] Index funds and diversified portfolios instead of active management. [0:06:41.7] The role of evidence and literature in medical prescriptions and treatment. [0:08:17.0] Trying to account for the differences in approach to medicine and investing. [0:10:58.2] A description of the different levels of the evidence pyramid. [0:12:23.5] Five tips for do-it-yourself investing from our guest! [0:19:20.5] Should you worry about factors as a DIY investor? [0:24:24.0] Wendall's thoughts on the value of good financial advice. [0:26:17.7] How new information is circulated in the medical community. [0:30:11.0] Why expert opinion is the least valuable type of evidence. [0:31:49.7] Wendall's definition of success in his life. [0:35:07.9] And much more!

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“What did the council decide on item 42?” — answered with the speaker and the moment.