NFL backs national concussion bill sponsored by Illinois' Dick Durbin

Friday's health and safety news from the world of football:

  • USA Today High School Sports reported on a how the Tennessee Secondary Schools Athletic Association has outlined new practice regulations to go in effect this fall, talking to the organization's Richard McWhirter.
  • UT-San Diego looked at the development of a blood marker in some concussion tests and how it could be a game-changer in recovery of concussion victims.

-- Bill Bradley, contributing editor

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