There’s new data out to support stronger recommendations for introducing peanuts during infancy. Like hemlines, it may seem like this data keeps changing. As time, the science and our understanding of risk unfolds we’ve seen shifts in advice about starting solids that have left many parents wondering what really is best when starting foods and wanting to decrease risk for food allergy.
Briefly, and in general, it’s best to start a variety of foods for your child during infancy, starting around 4 to 6 months of age. In fact its now believed that it may be protective to introduce things like wheat, egg, soy, fish, and peanuts even before a child takes their first step around a year of age. The 2013 recommendations (that exclude information about peanuts) are explained in this post, “When Should I start Baby Food?”
The recommendation to share diverse foods during infancy that includes fish and eggs may feel new to you. For example, when my babies were born (mid-2000’s) advice and consensus suggested that avoidance of peanuts until after a year of age was best — the thought that avoidance of peanut during critical development may be protective against severe allergy development. Now, concomitant with a doubling in food allergies, we face an utter and potentially embarrassing reality — perhaps medical advice and our work to improve allergy risk by restricting foods in infancy did just the opposite. Perhaps avoidance was exactly the wrong thing to do. Maybe we’ve engineered part of the problem.
This kind of advice can feel intense when raising children. “Do this, don’t do that, do this now, don’t do this now!” Doing the right thing is what we all want but doing right can remain elusive, especially when recommendations shift. I remember a fellow pediatrician questioning my eating a peanut butter sandwich while I was pregnant with my second son. She couldn’t believe I’d made that choice. At the time I remember not only feeling judged but a little terrified too. Perhaps I’d not take the data seriously enough? Oh goodness, I thought, as I diligently didn’t introduce “high allergy” foods until toddlerhood for my boys. Today I realize that wasn’t all that right either. It can feel like another hemline change for sure and yikes these sure are shorter skirts!
Fast forward 7 years to 2015. A New England Journal of Medicine study out this past month systematically evaluated risk for development of peanut allergy in children who were at higher risk for developing the allergy in the first place. And they started with infancy and introduced peanuts early in some of the babies. Researchers found if infants were introduced to peanuts early in life (between 4 and 11 months of age) their risk of peanut allergy at age 5 years significantly decreased.
The early introduction of peanuts significantly decreased the frequency of the development of peanut allergy among children at high risk for this allergy. ~ New England Journal Of Medicine