Thursday's health and safety news from the world of football:
- The Detroit Free Press reported that Detroit Lions coach Jim Caldwell said Thursday that tackle LaAdrian Waddle returned to the field after suffering a concussion.
- The Associated Press reported that Kansas City Chiefs running back Jamaal Charles passed concussion tests Wednesday after telling ESPN Radio that he thought he suffered a head injury Sunday but didn't tell doctors because he didn't want to go through concussion protocol.
- USA Today Sports reported that the domestic violence ads featuring actors and NFL players will debut during Thursday night's NFL games. The public service announcements will include Eli Manning, Jason Witten and Cris Carter.
- NFL.com's CFB24/7 reported that Florida State quarterback and possible first-round pick Jameis Winston's character is becoming a bigger concern as the league evaluates player conduct.
- WALB-TV in Albany, Georgia, reported that the area's school district has approved a new concussion policy.
- KOB-TV in Albuquerque, New Mexico, reported that middle school officials in Ruidoso, New Mexico, are considering drug testing athletes.
- WCTV-TV in Tallahassee, Florida, looked at helmet improvement being made by Riddell.
-- Bill Bradley, contributing editor