(photo: Selva)

Phys Ed: Does Ibuprofen Help or Hurt During Exercise?
By Gretchen Reynolds

Several years ago, David Nieman set out to study racers at the Western States Endurance Run, a 100-mile test of human stamina held annually in the Sierra Nevada Mountains of California. The race directors had asked Nieman, a well-regarded physiologist and director of the Human Performance Laboratory at the North Carolina Research Campus, to look at the stresses that the race places on the bodies of participants. Nieman and the race authorities had anticipated that the rigorous distance and altitude would affect runners’ immune systems and muscles, and they did. But one of Nieman’s other findings surprised everyone.

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