Almost all of us know someone who suffers from an autoimmune disease. Or maybe you do yourself. Autoimmune diseases are common: only cancer and cardiovascular diseases are more prevalent. So how do you fight a body that is fighting against itself? argenx, an immunology innovation company that develops antibody-based therapies, is developing a new toolkit of molecules that can tamp down the rebelling part of the immune system. Scientific American Custom Media recently talked to argenx’s new CEO, Karen Massey about what's in the toolkit -- and how it's helping patients.This podcast was produced for argenx by Scientific American Custom Media, a division separate from the magazine's board of editors. Learn more about your ad choices. Visit megaphone.fm/adchoices   Learn more about your ad choices. Visit megaphone.fm/adchoices