Even with increased focus on concussions, football remains by far the most popular high school sport. In Wisconsin, 29,807 football players compete at about 420 schools in Wisconsin ? nearly double the number of track and basketball players. But greater awareness of the effects of head injuries has prompted much conjecture about the viability of the game, said Dr. David T. Bernhardt, a pediatrician in primary care sports medicine at the UW-Madison School of Medicine and Public Health.
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