Tackling the NFL’s concussion problem: Which are the best helmets available?

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(PIX11)-- Rookie San Francisco 49ers Chris Borland retired the other day at the ripe old age of 24.

After a minor concussion in the preseason, Borland felt that his health was more important than millions of dollars.

Dr. Steve talks about the best available helmets that could reduce the impact of hits while playing football.