New Study on Peanut Allergies - Valley News Live - KVLY/KXJB - Fargo/Grand Forks

In tonight's HealthierMe, a new study presented at the meeting of allergy specialists finds greater numbers of peanut allergies are found in wealthier families.

Experts say this could be due to the "hygiene hypothesis" -- the theory that over-doing it on sanitizer suppresses the immune system.

About 20-percent of kids out-grow their peanut allergy.