Concussion
Question: Are there frequencies for Concussion? Answer: Wikipedia The terms mild brain injury, mild traumatic brain injury (MTBI), mild head injury (MHI), minor head trauma, and concussion may be used interchangeably,[3][4] although the last is often treated as a narrower category.[5] Although the term “concussion” is still used in sports literature as interchangeable with “MHI” […]