Explain Like I'm Five - Eli5 Mini Podcast

Why is the world record for time walking longer than time standing? People can walk many miles without discomfort, but when we stand for more than a few minutes or so, we get uncomfortable? What is Postural orthostatic tachycardia syndrome or POTS?   ... We explain like i'm five!   Help more people fund us by leaving a rating on iTunes.   Thank you to the r/explainlikeimfive community, and specifically the following reddit users whose questions and responses formed the basis of this conversation: mynameispineapplejoe, faykin,ieatfrosties, freshcoconutty, neubourn & syymo   To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Twitter: https://www.twitter.com/eli5ThePodcast/ or send us an e-mail: ELI5ThePodcast@gmail.com