With regular blood tests and routine tests can diagnose a disorder of anxiety or depression ? they looked serotonin levels .

  • 1 Answer
  • Dra. Doctuo

    Even checking serotonin levels , not always, is sufficient to explain what happens to the brain as there blood brain barrier. This barrier let some things and not others. Serotonin is one of many neurotransmitters involved in depression . There are no specific tests to diagnose mental illness.