Asthma risk reduced in children fed fish from 6–12 months

Dutch researchers analysed the fish consumption of more than 7200 children from birth to 48 months, finding those introduced to fish in their diet at 6–12 months had a 36% lower risk of wheezing by age four.

No such association was found in children given fish before six months or after 12 months. The authors were not sure why there was a window for fish introduction.

“Early life exposure to n-3 PUFAs [polyunsaturated fatty acids] may play a role in the induction of oral tolerance,” they wrote.
Pediatrics 2012;