INDIANAPOLIS (AP) — The NFL Players Association has created a medical guide for players, a 107-page reference book written by scientific professionals with extensive material on concussion detection, treatment and the league's game-day protocol for head injuries.

The union's inaugural "health playbook" was distributed electronically to NFLPA members this week.

Speaking at a head, neck and spine committee meeting during the league's scouting combine, NFL chief medical officer Dr. Allen Sills revealed a 16 percent rise in diagnosed concussions, from 250 in 2016 to 291 in 2017. Sills said the data was a "call to action" to the NFL for greater prevention.

The NFLPA health playbook also includes information on joint injuries and wear and tear, high blood pressure and cholesterol, plus performance-related topics such as sleep, nutrition and mental health.

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