You have a peanut allergy…because your parents are wealthy. Wait…what?

From io9:

Much ink has been spilled over the rise of allergies over the last few decades, and one of the most popular theories is that it’s due to children not being exposed to enough germs. A new piece of research seems to support that theory, tying the incidence of the dreaded peanut allergy to people’s socioeconomic status.

The research by Sandy Yip is being presented at the American College of Allergy, Asthma and Immunology (ACAAI) Annual Scientific Meeting, and shows that between the ages of one and nine, sensitivity to peanuts is linked to households with more wealth.

Continue reading the rest of the story on io9