Why Do Some Doctors Still Use Bloodletting

Has a doctor ever told you that you just have too much blood Probably not, but there are a handful of conditions where being a little low might be good for you. Hosted by: Olivia Gordon Head to for hand selected artifacts of the universe Support SciShow by becoming a patron on Patreon: Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Sam Lutfi, D. A. Noe, الخليفي سلطان, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Patrick D. Ashmore, charles george, Kevin Bealer, Chris Peters Looking for SciShow elsewhere on the internet Facebook: Twitter: Tumblr: Instagram: Sources: