The number of children diagnosed with peanut allergies in the U.S. has fallen, with data suggesting that a shift in infant feeding practices might be the reason why.

A study published in the scientific journal Pediatrics found that food allergies mediated by the immune system's Immunoglobulin E antibodies—including potentially life-threatening peanut allergies—have declined significantly since national guidelines began recommending an early introduction of allergenic foods.

The findings are being hailed by many medical professionals as validation of years of public health advocacy.

The study, conducted by researchers at the Children’s Hospital of Philadelphia (CHOP), analyzed data from the electronic health records of more than 120,000 children.

The anaylsis found a 43 percent reduct

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