It's become more common in recent years to see NFL players wearing Guardian Caps on the field. Here's how they work.

New helmet protection arrived to the National Football League. The NFL announced before the new season it authorized Guardian Caps to be used during regular-season games, a first for the league.

As the lone Armenian at a Lutheran high school, Nicholas Esayian sometimes struggled to make friends in his teens. Joining the football team offered him a shortcut to fit in, and instilled in him ...

The NFL drives innovation in helmet safety through data, testing and collaboration with helmet manufacturers – contributing to last season having the lowest number of concussions in an NFL season. The ...

A recent study co-authored by the NFL's chief medical officer found the benefits of Guardian Caps in reducing concussions are "uncertain." The study concluded there was no significant difference in ...