Concussions and bran injuries are common in contact sports, but anyone who suffers a hit to the head, such as in a car crash, can experience them. Learn the signs of a concussion and when to get medical help.
How a Brain Injury Can Cause Hormone Dysregulation
Concussion - Symptoms and causes - Mayo Clinic
Can You Get a Concussion Without Hitting Your Head? – Dispelling
What is a Concussion? - LiquidGym
What is traumatic brain injury? - Queensland Brain Institute
Concussion
What are the signs of a concussion? What should we look out for when our kids get hit in the head during sports or accidents and they lose consciousness, etc.? - Quora
7 common injuries in youth sports and how parents can help prevent them
Concussion FAQ - University of Miami Concussion Program
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