Kenny Chaffin June 1, 2023 8:35am Toughen Up!!! Exposure! https://www.npr.org/sections/health-shots/2023/05/30/1178433166/theresa-macphail-allergic-allergies #biology #allergies Why our allergies are getting worse βand what to do about it From excessive hygiene to low-fiber diets, author Theresa MacPhail explores the deep-rooted causes of rising allergy rates in her new book Allergic.