Save 20% on the Ebook (all devices) Save 20% on Printed Softcover Book DO YOU HAVE HAY FEVER? Also called ALLERGIC RHINITIS – this is an allergy to pollens and other plant-borne allergens. HOW ABOUT ALLERGIES? ARE YOU ALLERGIC TO: -Pollen? or Mites?…Read More »
The hygiene hypothesis says that allergies are linked to being too clean. Is this really true?