[dharmatech]

See also:

https://www.reddit.com/r/surfing/comments/q34gv1/sterling_sp...

Tons of comments from surfers experiences there.

Check out the book:

The Concussion Repair Manual by Dr. Dan Engle

[turtle_]

thank you for the book reference, i will check it out. Sterling's case has been eye opening for the community for sure. thankfully he posted as recently as today that he seems to be doing better https://www.instagram.com/p/CXXW6zpjQT7/