Twenty-million people sell their plasma each year, and the most vulnerable populations are usually the first in line. Journalist Kathleen McLaughlin joins host Krys Boyd to discuss her own journey with an auto-immune disease and her research into where blood plasma really comes from – a journey through the for-profit blood industry that stretches all the way to China. Her book is “Blood Money: The Story of Life, Death, and Profit Inside America’s Blood Industry.”