Epinephrine — sometimes called adrenalin — can save a life in the event of a severe allergic reaction. That's why new guidelines recommend epinephrine when a severe allergic reaction strikes.

Summer is a wonderful time to enjoy the great outdoors. But a hot and dry climate also means having to endure those pesky bug bites and stings.

Current tests for diagnosing food allergies are costly, time-consuming, and can potentially cause severe reactions. To solve some of these problems, researchers have developed an online tool for diagnosing allergies.