2026-03-14 from cbc.ca

In just 10 years, the science behind preventing peanut allergies in babies appears to have completely flipped, with countries including Canada now recommending giving infants allergenic foods within their first six months of life — rather than total avoidance.

Parents may be hesitant to introduce the foods, given how severe allergic reactions can be — but doctors say there are solid reasons to give the foods early and often.

The shift can be traced back to a pivotal clinical trial led by a doctor in the U.K., who confirmed that early exposure works. In a sign of how the findings continue to reverberate, in February researchers presented their findings based on the younger siblings of the original study's participants, which backs the importance of introducing peanut in the diet at an early age. 

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