Our collective allergy symptoms are trying to tell us something important about how we live our lives Our entire modern lifestyle is likely to be at the root of the recent rise in allergies, says author and medical anthropologist TheresaMacphail
Physician researchers working on hay fever and asthma in the 19th century suspected that shifts in agricultural production and polluted urban environments were directly linked to the development of their patients’ hypersensitivity, or allergy. These early scientific theories about environmental allergy causation eventually paved the way for what would become known, more than a century later, as“the hygiene hypothesis.
Climate change is also causing worse flooding and higher temperatures around the world. And that means more mould, as we’ve already begun to witness in places like New Orleans, where allergy rates began to skyrocket after Hurricane Katrina. All of this gives credence to the argument that changes to our natural environment have been, are, and will continue to affect our immune system function, causing worsening allergies. But then what caused the equally dramatic rise of eczema, or skin allergies, and food allergies? Is our natural environment to blame for them as well?Dr Elia Tait Wojno, immunologist at the University of Washington, said, “It’s complicated.
When I interview allergy experts, I force them to come down on a side. Many say the hygiene hypothesis is correct – and it remains one of the front-runner theories. But others think it’s our diet, that changes in the way we grow and prepare food have altered our gut microbiome, fueling allergies. Still others argue that the various man-made chemicals and plastics we come into contact with on a daily basis are making our immune systems more irritated.
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