title: Increasing numbers of physical changes found in nation's runners.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001265:Athletic Injuries / Q000453:epidemiology*; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D011460:Prostaglandins F / Q000097:blood; D012420:Running; D013178:Sports Medicine; D013978:Tibial Fractures / Q000453:epidemiology
chemical_list: D011460:Prostaglandins F