Eating Fish Weekly may Sleep Better and have Higher IQs

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Children who eat fish once a week sleep better and have higher IQ scores, a new study suggests.

Researchers at the University of Pennsylvania in the US, said parents should consider simply changing the diets of youngsters rather than imploring them to go to bed.

Previous studies have shown that the omega-3 fatty acids found in fish can improve intelligence and sleep, and that better sleep improves IQ. But it is the first time all three have been linked together.journalban

The scientists believe that it may be that the improved sleep produced by omega-3s is what is boosting IQ rather than the fatty acids themselves.

“Doing that could be a lot easier than nudging children about going to bed,” said Professor Adrian Raine.

“If the fish improves sleep, great. If it also improves cognitive performance, like we’ve seen here, even better. It’s a double hit.”

For the study, the researchers asked 541 school children aged between nine and 11 to fill in surveys about how much fish they ate, and then measure their IQ. Their parents were then asked about the quality of sleep.

The team, found that children who reported eating fish weekly scored 4.8 points higher on the IQ exams than those who said they seldom or never consumed fish. Those whose meals sometimes included fish scored 3.3 points higher.

PeerscientistIn addition, increased fish consumption was associated with fewer disturbances of sleep, which the researchers say indicates better overall sleep quality.

The researchers recommend starting children on fish by at least the age of two then incrementally adding more fish into the diet over time.

Dr Jennifer Pinto-Martin added: “It adds to the growing body of evidence showing that fish consumption has really positive health benefits and should be something more heavily advertised and promoted.

“Children should be introduced to it early on. Introducing the taste early makes it more palatable.

“It really has to be a concerted effort, especially in a culture where fish is not as commonly served or smelled. Children are sensitive to smell. If they’re not used to it, they may shy away from it.”

Source & Credits: TheTelegraph

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