Why allergies are on the rise

There are several families of allergens: chemical or medicinal, aerial, food, contact. Pixel-Shot – stock.adobe.com

DECRYPTION – Between pollution, upheavals in biodiversity and new consumption habits, the number of people with allergies is soaring. The list of incriminated substances is growing, with sometimes difficulties in obtaining a diagnosis.

All allergies combineda third of French people are affected by this disease, and this rate should rise to 50% in 2050, according to the World Health Organization.indicates the Dr Catherine Quequet, allergist, author of the book The New Allergies. How to recognize them? How to fight them? (Editions du Rocher).

Why such an explosion? Pollution promotes inflammation of the respiratory mucous membranes, climate change leads to the spread of species responsible for allergies, “and our body is exposed to ever more new food ingredients: nuts, seeds and, in the future, insects, already sources of allergies in consumer countries”underlines the Dr Ariane Nemni, head of the allergology department at Robert-Ballanger hospital (Aulnay-sous-Bois). Not to mention the hereditary dimension of the disease, which multiplies the risk profiles. “The probability of being allergic is at least 50% with two allergic parents, compared to 12% when…

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