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Less than half of US children are given peanuts to eat in the first 11 months of their lives, even though their early introduction lowers the risk of developing peanut allergies.

in Illinois and her colleagues surveyed more than 3000 households with children who were 7 months to 3.5 years old. Participants were demographically representative of the US caregiver population.

“High allergy risk children who eat peanuts early in life are five times less likely to develop a peanut allergy,” says , a co-author of the study, at the University of Colorado in Denver. That finding in a 2015 study led to a swift change in US guidelines regarding the early introduction of peanuts.

Parents had long avoided giving their children peanuts for fear it may make them allergic, and official guidance on the topic was unclear. But in 2017, the US National Institute of Allergy and Infectious Diseases

However, in the new analysis, the team found that only 58 per cent of participants said their doctors had advised them about the benefits of early peanut introduction. Only 40 per cent of these respondents said that their doctors had told them to introduce peanuts to their child as early as the first 11 months.

Just 44.7 per cent of participants reported that they had given their children peanuts that early. Gupta and Venter presented this work at a meeting of the American College of Allergy, Asthma & Immunology on 5 November.

, who led the 2015 study, said he wasn’t surprised by these latest findings, but adds that the figures would probably have been a lot worse five years ago.

”There are a lot of doctors and families who are still peanut-phobic and are concerned that giving peanuts early will result in allergies,” he says. “We now know the opposite is true.”

Getting more parents to give their children peanuts will require a change of culture and more education, he says.

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