| Inflammation of the tissue that attaches to the heel bone and runs along the bottom of the foot and can be caused by obesity and overexercise. |
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| Mr. Klein's writing hardly ever uses the jazz bandleader's common prerogative: though he's the pianist, he doesn't overexercise that instrument. |
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| Girls who overexercise and don't consume enough calories to support all bodily functions can suffer menstrual irregularity or lose their periods entirely, which can lead to muscle and bone injuries. |
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