If you compare football helmets from the past to some the ones you see on players this year, you might notice some slight differences.

The shape is sleeker and less round to the eye. But on the inside those helmets have extra layers of protection and the ability to bend and absorb hits to protect the brain.

SOURCE – READ THE FULL ARTICLE AT: https://federalnewsradio.com/defense/2017/12/this-is-your-brain-on-the-military-dod-doesnt-have-many-answers-on-brain-injuries/?hl=en&ned=us