As the fall sports season gets into full swing around western Nevada County, medical experts want players, parents and coaches alike to keep something in mind — the brain. Traumatic brain injuries in youth are a growing concern, such that a new state law requires high school athletes to be pulled out of a game if the player suffers a concussion. Although it seems like common sense, many people might not realize the signs, symptoms associated with a brain injury. “It is often called ‘The Silent Epidemic’ because there is not usually a physical manifestation and so, the diagnosis is …