League of Denial: The NFL, Concussions, and the Battle for Truth

In a fast-paced narrative that moves between the NFL trenches, America’s research labs and the boardrooms where the NFL went to war against science, League of Denial examines how the league used its power and resources to attack independent scientists and elevate its own flawed research — a campaign with echoes of Big Tobacco’s fight to deny the connection between smoking and lung cancer.

Analysis of head impact exposure and brain microstructure response in a season-long application of a jugular vein compression collar

British Journal of Sports Medicine – Could a jugular vein neck collar help to reduce the possible concussive effect of head impact?

“study has generated initial evidence for a potential protective effect of the collar device”

“It supports the notion that the approach of protecting the brain internally via jugular vein compression may be a promising alternative”

see also:

MIT article