Thursday's health and safety news from the world of football:
- KVHP-TV in Lake Charles, La., reported on how the state's concussion law has cut down on concussions.
- BuzzFeed reported on its study that found high school football participation has dropped only 2 percent from 2008 to 2012.
- The Half Moon Bay Review published an editorial that criticized the California bill that would limit full-contact practices in high school football to twice a week.
- WRTV-TV in Indianapolis looked at a local company's research on helmet impact sensors called the Brain Sentry.
-- Bill Bradley, contributing editor