Wednesday's health and safety news from the world of football:
- NFL.com reported that while he didn't think it was a dirty play, Detroit Lions coach Jim Caldwell did not condone the low block by Lions' Dominic Raiola on New England Patriots defensive tackle Zach Moore.
- The Sporting News reported on how Houston Texans linebacker J.J. Watt bought pizza for Houston area firefighters and policemen. Papa John's delivered a copy of a hand-written note from Watt with each pizza.
- DenverBroncos.com reported on lineman Ben Garland was among eight Broncos who helped to cook for the Salvation Army this week.
- The Associated Press reported on the NFL's meeting with the Players Association about personal conduct issues.
- SportsTechie looked at what it called the best concussion-detection devices available for the NFL.
- KATV-TV in Little Rock, Arkansas, talked to former NFL players Jeff Kemp and Freddie Scott about changing the culture for personal conduct in the league.
- WWNO-FM in New Orleans reported on the electronic mouth guards being tested by the LSU football team.
- KDVR-TV in Denver reported on new technology devices that help football coaches detect and treat concussions.
- KJCT-TV in Grand Junction, Colorado, looked at schools in the area using helmets that do not meet the top standards in the Virginia Tech STAR ratings.
- Medical Xpress reported on a study in the Journal of Neurotrauma that which identified protein in post-concussion severity in professional athletes.
-- Bill Bradley, contributing editor