For children with a strong family history of food allergies and eczema, preventing peanut allergies may be as simple as including peanuts in the diet early in life.
A new study confirms the findings of a landmark study published in the New England Journal of Medicine last year -- that starting peanuts between 4 and 11 months of age makes high risk children 80 percent less likely to develop a peanut allergy by age 5.
You can listen to the full report (or read the transcript) here.
The mechanism behind this is called oral tolerance, and many researchers believe that it can be applied to allergenic foods other than peanuts as well as autoimmune disease. You can read more about oral tolerance here.