Although the long-term consequences of childhood obesity are well documented, some school districts have reduced physical education classes to devote more time to the 3 Rs in education - reading, writing, and arithmetic. However, there is new evidence that leaving out an important fourth R - aerobics - could actually be counterproductive for increasing test scores. A new study scheduled for publication in The Journal of Pediatrics studied the associations between aerobic fitness, body mass index (BMI), and passing scores on standardized math and reading tests.

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