Peanut Allergy: Browned Off

BROADLY speaking, East Asians and Westerners suffer the same types of food allergies in about the same proportions. But there is an exception. Westerners are roughly twice as likely as East Asians to be allergic to peanuts. This is a puzzle—as is the question of why anyone is allergic to peanuts in the first place. Read the rest at The Economist.