This article in the WSJ was by an author who decided to induce immunity to poison oak by exposure: eating it. It's... quite the journey, evidently, but possible

This article in the WSJ was by an author who decided to induce immunity to poison oak by exposure: eating it. It's... quite the journey, evidently, but possible: https://www.wsj.com/style/eat-poison-ivy-oak-immunity-3207ec3c?st=wmZrr1&reflink=desktopwebshare_permalink https://www.wsj.com/style/eat-poison-ivy-oak-immunity-3207ec...