Friday's health and safety news from the world of football:
- Ìý°ù±ð±è´Ç°ù³Ù±ð»å³Ù³ó²¹³Ù Green Bay Packers quarterback Aaron Rodgers told his weekly radio show that his calf injury was caused by the turf in Tampa.
- on a survey of NFL quarterbacks, the majority of whom say playing multiple sports was beneficial to their development.
- about the Oculus virtual reality viewer and its possible impact on football training.
- at the Hiji Band, a concussion-detecting headband geared toward youth sports.
- on a University of Pittsburgh Medical Center study that said the benefits of youth football outweigh the risks.
- featured a retired educator who is on a mission to reduce injuries and asthma attacks in student athletes.
- at the concussion risk involved for football cheerleaders.
-- Bill Bradley, contributing editor
