1 rich Libsyn https://www.libsyn.com 90 600 In this episode, The Curious Clinicians examine why upper gastrointestinal bleeding raises BUN. The answer involves experiments where participants were asked to drink blood (!) and the 700 sextillion (7 x 1023) amino acids that comprise the hemoglobin content in a liter of blood.&amp;nbsp; Read the show notes here. Click here&amp;nbsp;to obtain&amp;nbsp;AMA PRA Category 1 Credits™&amp;nbsp;(0.5 hours), Non-Physician Attendance (0.5 hours), or ABIM MOC Part 2 (0.5 hours). Audio edited by Clair Morgan of&amp;nbsp;Nodderly.com. This episode was sponsored by&amp;nbsp;Green Chef! The Curious Clinicians http://www.curiousclinicians.com <iframe title="Libsyn Player" style="border: none" src="//html5-player.libsyn.com/embed/episode/id/26740755/height/90/theme/custom/thumbnail/yes/direction/forward/render-playlist/no/custom-color/88AA3C/" height="90" width="600" scrolling="no" allowfullscreen webkitallowfullscreen mozallowfullscreen oallowfullscreen msallowfullscreen></iframe> https://assets.libsyn.com/secure/content/151359504