Wednesday's health and safety news from the world of football:
- The New York Daily News reported that 39 former players -- mostly former New York Giants and Jets -- filed a lawsuit Tuesday in Manhattan federal court against the NFL and companies associated with helmet maker Riddell, seeking damages of more than $75,000 each and a medical monitoring program paid for by the league.
- WRTV-TV in Indianapolis published a Scripps Howard News Service story on breakthroughs in imaging in detecting long-term brain injury effects.
- CoachUp.com published a list of a warning signs for parents on concussion awareness, according to Imperial Valley (Calif.) News.
-- Bill Bradley, contributing editor