Acupuncture in Traumatic Brain Injury

Inclusion Criteria: * Ability to provide and provision of signed and dated informed consent form * Age 18-65 * Diagnosis of mild traumatic brain injury (mTBI) (as defined by the International classification of headache disorders 3rd edition (ICHD-3); a. Either no loss of consciousness, or loss of consciousness of \<30 minutes duration, b. Glascow Coma Scale (GCS) ≥ 13, and c. Symptoms and/or signs diagnostic of concussion) * Diagnosis of mTBI ≥3 months and ≤12 months at the time of study enrollment * Suffering from chronic post-traumatic headache (CPTH) of any etiology (e.g. tension or migraine), with chronic defined as developed within 7 days after injury and lasting ≥3 months from the time of injury * Stable medication regimen for ≥1 months and agree to adhere to his or her current medication treatment regimen through study participation Exclusion Criteria: * Non-English speaking * History of acupuncture since diagnosis of mTBI * History of pre-existing primary headache, defined as more than 12 days of tension-type headache annually and/or more than one migraine attacks per month in the last year * History of any other serious neurological, psychiatric, chronic pain disorders, or seizures * History of bleeding diathesis, other bleeding disorders, or syncope with needle puncture * History of cardiac arrhythmia or current pacemaker, neurostimulator, or other implanted stimulation device * Recent or active substance use disorder * Women who are currently pregnant, lactating, or planning to become pregnant during the study * Any other medical conditions that could affect their ability to participate in acupuncture treatments for the study duration (as determined by study investigators) * Active participation or past participation ≤3 months in any other interventional study. * Unwilling to participate in all study related activities