Detailed text transcripts for TV channel - KGO - 20111116:10:46:00
Nearly 45 million kids. many as young as 5, play organized sports in the united states. and play hard. >> there are tournaments, travel teams, all-star teams. >> reporter: no time for the simple playground running, jumping and climbing that builds strong, flexible joints. >> they're not out there doing free play. i always say i've never seen an acl tear in the kid from playing kick the can. the epidemic we are seeing now may become an epidemic, 10, 20 years down the road with younger people with arthritis in their joints. >> reporter: the risk worries this family from maine. their son took a b...
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