Food allergies, including those to seafood, are becoming more common. (Credit: Alexander Raths/Shutterstock)

All your life, you’ve delighted in the subtle, sweet taste of fresh shrimp. Until one day, when you bite into it and find yourself beset by itching hives and a swollen throat.

An unexpected food allergy seems to be a common experience for some adults in America, according to a recent study. Though the issue is often associated with children, researchers found that 1 in 10 grown-ups