Brain
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There’s plenty of evidence that suggests that children who are more physically active do better in school. But what’s contributing to the boost in brain power?

In a study, published in thejournal Frontiers in Human Neuroscience, researchers led by Laura Chaddock-Heyman, a research associate in psychology at the University of Illinois at Urbana-Champaign, report that children who are more fit have more white matter in their brains than those who aren’t as fit. The areas of the brain where more white matter was observed are important for attention and memory, and are critical for linking different parts of the brain together.

The study is the first to find a connection between exercise and white matter in…