On episode 81 Erin and I talk to Ethan O'Brien and Dr. Sasha Blaskovich. Although each have unique concussion stories, and followed different paths, the two came together to co-author, "Dr. B's Concussion Breakthrough" (a #1 Amazon Best Selling Book)! We discuss their stories, concussion symptoms, Dr. Blaskovich's practice and why they wrote a book together.