Guest Tegan Kehoe—medical historian and author of the fascinating new book "Exploring American Healthcare Through 50 Historic Treasures"—joins Howard for an enlightening and personal discussion about George Washington's dentures, Vitamin D beer, the tragic story of the Kennedy baby, and our firsthand experiences with lifesaving advancements in preemie care. But first, Howard and Jess talk about a medical treatment gone wrong with Thomas Jefferson's nightmarish trip to Warm Springs, Virginia in 1818. Show notes and sources at plodpod.com Consider joining our Patreon family at https://www.patreon.com/ploddingthroughthepresidents Check out our merch store! https://www.teepublic.com/stores/plodding-through-the-presidents?ref_id=24294 Learn more about your ad choices. Visit megaphone.fm/adchoices