Former Boston Bruins forward Marc Savard suffered six concussions throughout his 13-year career in the National Hockey League and is still battling with trauma.

On Tuesday Savard gave some chilling details into his post-concussion symptoms in his article on The Player’s Tribune.

In the article, Savard suggests anyone dealing with post-concussion syndrome should seek therapy.

To hear more from Savard about his battle with concussions, check out the video above from “NESN Sports Today,” presented by People’s United Bank.