Do you suffer from symptoms of severe depression? Are you basically a depressed patient, but the medications do not affect the required way?
Do you suffer from chronic fatigue?
  Chronic and continuous pain in different parts of the body?
  Autoimmune diseases, arthritis.
  Osteoporosis
All of these symptoms are caused in one way or another by a lack of vitamin D and calcium in the blood
Do not get tired and search a lot, these tests will help you reduce the number of causes that may be behind these symptoms