allergies

A decade ago, a clinical trial in the U.K. famously showed that children who were exposed to peanuts in the…

While I was lucky enough to outgrow my childhood fear of clowns and distaste for Brussels sprouts, my seasonal allergies,…

Imagine trying to tell identical twins apart just by looking at their fingerprints. That's how challenging it can be for…

Irritable bowel syndrome, chronic itching, asthma and migraine are in many cases hard-to-treat conditions. They have in common that they…

DDurrich/iStockphoto/Getty Images If you feel like your seasonal allergies are getting worse every year, it's not just you. Warming from…

Get the Popular Science daily newsletter💡 Spring is underway in the Northern Hemisphere–and so is allergy season. While that means…

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Most of the time, the intestinal immune system can recognize friend from foe, tolerating myriad foods while destroying disease-causing invaders.…

With every bite of food we take, our intestinal immune system must make a big decision. Tasked with defending us…

Allergies are common — and may be becoming more so. They're currently the sixth leading cause of chronic illness in…