WIKIMEDIA, FREESTOCK.CAInfants at high risk of peanut allergies who were exposed to the food ended up less likely to develop the allergy later in life, according to a study published in the New England Journal of Medicine yesterday (February 23). Although the general practice for more than decade has been for babies to steer clear of peanuts, the results give a swift kick to advice that was falling out of favor.
“This study really proves cause and effect,” Hugh Sampson, a pediatric allergist at the Icahn School of Medicine at Mount Sinai in New York City, told Science. “When someone asks me in my practice, I will encourage them to get peanuts in the diet in the first year of life.”
The study randomly assigned more than 500 babies to either eat at least six grams of peanut protein a week or to abstain from peanuts. All of the babies had eczema or an egg allergy, but did not initially have a reaction to peanuts. At five years of age, nearly 14 percent of the abstinent group had developed a peanut allergy, compared to roughly 2 percent of the peanut-eating kids.
“This is a major study—really ...