Allergies are linked to stress, says study

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Stress could be an aggravating factor in people who suffer from allergies. According to a Japanese study, the increase in allergic reactions could be linked to the stress hormone corticotropin.

“In my daily practice, I meet many patients with allergies who say their symptoms worsened due to psychological stress,” explains Dr. Mika Yamanaka-Takaichi from the University of Osaka, who led the study.

The researcher’s work links the production of corticotropin, a hormone produced during a stressful situation, to the proliferation of mast cells. The latter are involved in allergies in the nasal cavity. This mixture could thus be at the origin of aggravated allergies.

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