What's more, a recent U.S. study suggests rates of peanut allergy in children under age three declined 43 per cent over the last several years, after feeding guidelines changed. Food allergy rates have plummeted since the 2016 publication of Lack's Learning Early About Peanut Allergy (LEAP) study. Investigators expected to see a 40 to 50 per cent decline in peanut allergy; instead, they found a 81 per cent reduction. (Jim Cole/The Associated Press)"I asked the audience, how many of you have seen a case of peanut allergy in the last year?" Case in point: What happens if a child has an older sibling with peanut allergies and it's time for the younger one to try it?

Source: CBC News March 14, 2026 23:23 UTC