title: Junior league football: risks vs benefits.
mesh_terms: D000223:Adaptation, Psychological; D000293:Adolescent; D000367:Age Factors; D001265:Athletic Injuries / Q000453:epidemiology*; D002648:Child; D005069:Evaluation Studies as Topic; D005538:Football; D006801:Humans; D007398:Interpersonal Relations; D010414:Pennsylvania