Are Food Allergies On The Rise?

Twenty years ago, as a child with an allergy to cow’s milk and a vegetarian, gluten-intolerant mother, I saw some strange school lunches in my time. While other kids feasted on all the things I wasn’t allowed to eat (White bread! Soda! Weird, processed cheese that comes in a tube!), I cowered in the corner with my nutmeat sandwiches on rye bread with soy butter, cursing my over-excitable histamines.

Yes, I was THAT kid at school – that is, until Peanut Allergy Boy arrived and stole my thunder. At the time, we felt like the odd ones out. Now, it seems as though many more people have (or are aware of) food intolerance and allergies. Some countries are encouraging peanut-free school environments, and more and more restaurants are offering allergen-free options on their menus.

These days, do more people actually have food allergies, or does it just seem that way? If so, is this increase due to our environment, changes in diet and lifestyle or our genes? Although population data for allergy prevalence are difficult to collect, a recent scientific study (Branum & Lukacs, 2008) indicates that incidences of food allergy are most likely increasing, although an explanation for this trend has yet to emerge.

What are allergies? Who has them, and why don’t we know more? Read more

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