Where you live can influence food allergies

Studies are proving that your place of birth can influence childhood allergies. People who live in Asia tend to have more allergies to shellfish, whereas, Westerners have a greater risk of being allergic to peanuts and tree nuts.

Here is an article from the American Academy of Allergy, Asthma and Immunology that provides more detail.

The question is, why? As always, there are more questions than answers. But I find this study to be very interesting.