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Fit Kids Have Higher IQ and More Likely to Go to College

Filed under: In The News, Research Reveals: Teens

Does exercise make kids smarter? Credit: LuMaxArt, Flickr

Want your kids to do well in school? Sign them up for the soccer team. A study unveiled this week shows that "young adults who are fit have a higher IQ and are more likely to go on to university," according to a comprehensive new study from researchers in Sweden.

The study shows a clear link between good physical fitness and better results for the IQ test. "Youngsters who improve their physical fitness between the ages of 15 and 18 increase their cognitive performance," says Maria Åberg, one of the researchers at Sweden's Sahlgrenska Academy who conducted the study. "This being the case, physical education is a subject that has an important place in schools, and is an absolute must if we want to do well in maths and other theoretical subjects."

The strongest links are for logical thinking and verbal comprehension. But the researchers point out that kids don't need to worry about packing on muscle: Only fitness appears to play a role in the results for the IQ test, not strength."Being fit means that you also have good heart and lung capacity and that your brain gets plenty of oxygen," says another member of the research team, Michael Nilsson, professor at the Sahlgrenska Academy and chief physician at the Sahlgrenska University Hospital. "This may be one of the reasons why we can see a clear link with fitness, but not with muscular strength."

The connection between physical fitness and mental performance has been show in previous studies of animals, kids and elderly people. But the link hadn't previously been shown among young adults until this study, published in the Proceedings of the National Academy of Sciences. This new study involved 1.2 million Swedish men doing military service.

The research team analyzed physical and IQ tests done when the men enrolled in the military, and compared results from fitness tests with socioeconomic status later in life. The men who were fit at 18 were more likely to go into higher education, and many held better jobs.

Sounds like a great incentive to get the whole family in shape: If healthier hearts bring better grades, could scholarship money be far behind?

Related: Fit Parents are Natural Cross Trainers, Exercise and Academic Achievement Linked to Better Grades


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