Use of 31P MRS to Assess Brain NAD+ in Healthy Current and Former Collegiate Athletes

Exclusion Criteria

• •History of loss of consciousness of more than 5 minutes
• •Contraindications to Magnetic Resonance Imaging (MRI), such as implanted medical devices, metal objects, or pacemakers
• •History of epilepsy
• •History of more than 3 concussions
• •History of headache preceding a concussion
• •History of depression preceding a concussion
• •History of developmental delays or Attention Deficit Hyperactivity Disorder (ADHD)
• •History of post-traumatic seizures
• •History of complex spine and/or skull trauma