br 480-991-9355 br If your lab results are normal-why do you still have low thyroid symptoms like: thinning or loss of hair, night sweats, Insomnia, tired, fatigued, depression, difficult or infrequent bowel movements, nervous or emotional, cold hands. In this video Dr Heimlich DC of Scottsdale Phoenix metro area shows how the brain can impact your thyroid and why you could still have thyroid symptoms even though your labs are normal.