Good ideas and conversation. No ads, no tracking. Login or Take a Tour!
- An estimated 4 percent of Americans have food allergies, and the Centers for Disease Control and Prevention has concluded that allergies are a growing public health concern. But diagnosing allergies can be tricky, and kids can outgrow them, too.
Now, a new study sheds light on the effectiveness of a test called a food challenge to determine whether a person can tolerate a food they once reacted to.