Proponents of<unk>  claim to have identified the causes of some<unk> c syndromes, in particular those that cause psychosis; according to<unk>  proponents, testing for these causes guides diagnosis and treatment. Diagnostic measures and therapies commonly employed include "individual biochemical workup", fasting, identifying suggested allergies, dietary changes, megavitamin therapy, amino acids, and other so-called "pharmacologic nutrients". These diagnoses have not been accepted by mainstream medicine.
Orthomolecular psychiatry
Biological psychiatry
Dynamic psychiatry
Liaison psychiatry
Cross-cultural psychiatry
Counseling psychology
Descriptive psychiatry
Parapsychology