An immunological key discovered that perpetuates allergies. Two studies suggest that a type of immune cells function as reservoirs of antibodies that cause the body's exaggerated response to some allergens.

10% of the world's population suffers from some allergy to environmental elements or foods, highlight the authors of one of the studies. Allergies are, in the words of Joan Bartra, head of the Allergology service at the Hospital Clínic of Barcelona, ​​“a defect of the immune system”