 [ Symptoms ] i have a friend who is body creates more bad bacteria then good what can we do to stop this and get more good bacteria  she has went to several doctors but none of them know what there doing she is always sick and always has a bad headache and back problems please can anyone help [ Disease ] hi these symptoms are highly suggestive of a parathyroid gland disorder another possibility is of an autoimmune disease that may be causing multiple symptoms consult a endocrinologist thanks