Thyroid Panel (blood test)-Abnormal thyroid hormone levels are a common cause of anxiety, depression, forgetfulness, confusion, and lethargy. Having low thyroid levels decreases overall brain activity, which can impair your thinking, judgment, and self-control and make it very hard for you to feel good. Low thyroid functioning can make it nearly impossible to manage weight effectively. To know your thyroid levels, you need to know these figures: thyroid-stimulating hormone (TSH) Free T3 Free T4 Thyroid antibodies (thyroid peroxidase and thyroglobulin antibodies)
Daniel AmenThe anterior cingulate fires up as the end result of a series of events. First, estrogen levels fall. Meanwhile, serotonin, the feel-good neurotransmitter, also decreases. The deficiency in serotonin causes the anterior cingulate gyrus to fire up. To make things worse, just about this time the PFC tends to quiet down, which is why women may have a hard time focusing and controlling impulses. So we see emotional difficulties, intensified feelings of sadness, and disturbed sleep.
Daniel Amen