Thursday's health and safety news from the world of football:
- The Daily Oklahoman reported that the Oklahoma Secondary School Activities Association board of directors approved recommendations Wednesday from the football advisory committee to limit teams to 90 minutes of full contact in practice each week instead of an unlimited amount.
- Medical Xpress published a report on a Brown University study in the Journal of Neurotrauma which shows a candidate panel of blood biomarkers that can accurately signal mild traumatic brain injury within hours using standard, widely available lab arrays.
- KGET-TV in Bakersfield, California, reported that Dignity Health is offering free post-concussion testing for local athletes.
-- Bill Bradley, contributing editor