Since the late 1980s,primary schools have added recess time because increased physical activity can improve children's academic performance.

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Research supports the idea that physical activity can improve children's academic performance, but in practice, many schools, especially in the United States, have actually reduced recess time since the late 1980s to increase time for academic subjects in response to educational policy changes.

Since the Late 1980s,primary Schools Have Added Recess Time Because