AVERY WILSON, 9, knows that having severe food allergies is no game. But she wrote about creating one, for the Get Schooled in Anaphylaxis Challenge, that will teach people to avoid foods they are allergic to. Avery, a challenge winner with her own severe food allergies, says her video game would help people understand what it's like to have a food allergy. "You have to think about it all the time," she says.