Wednesday's health and safety news from the world of football:
- The Detroit Free Press reported that former Detroit Lions running back Jahvid Best, who dealt with a series of concussions during his college and pro career, is done with football, according to former Cal and Lions teammate Jeremy Ross.
- The Associated Press' Tim Dalhberg wrote that despite the issues in the league, the NFL will thrive after details were released on the settlement for the $765 million concussion lawsuit involving than 4,000 players.
- CBS News looked at the tests that the Arizona State football team underwent during the season that used blood to diagnose concussions.
- Medical Daily wrote that that TGEN and helmet-maker Riddell are developing a concussion test that is based off of human biomarkers such as blood, saliva and urine.
-- Bill Bradley, contributing editor