Football - Heads Up: Good play or good ploy?

Safety concerns about tackling in youth football. Notice they say nothing about pretreatment like this;

Effect of fish oil supplementation in a rat model of multiple mild traumatic brain injuries

or interventions after the concussions.

Dietary Strategy to Repair Plasma Membrane After Brain Trauma Implications for Plasticity and Cognition

The NFL has enough money to employ as least one good researcher who could find and push these solutions.  But they seem to be just as naked as the medical emperors.