Friday's health and safety news from the world of football:
- Donte Whitner told ESPN.com that hits to the head in the NFL should be reviewable, as they are in NCAA Football Bowl Subdivision games. The San Francisco 49ers safety has said he wants to change his legal name to "Hitner."
- The Denver Post reported that 15-year NFL wide receiver Brandon Stokley has decided to retire after recent concussions.
- University of Minnesota coach Jerry Kill is debating whether to coach from the sideline or the press box for his team's bowl game after suffering epileptic seizures during games this season, The Star Tribune reported.
- Dezeen Magazine wrote about a 3-D printing pen that could replicate knee ligaments in athletes' knees.
- The Associated Press reported on the internal memo to the NFL's Health and Safety Advisory Committee that said knee injuries are not on the rise.
- Pysch Central reported on a study in the journal "Neuropsychology Review" that said computerized neurocognitive testing for concussions, while widely used in amateur and professional sports, is not supported by research that proves its effectiveness
-- Bill Bradley, contributing editor