9. Feeling Anxious Or Depressed
Too little thyroid hormone can lower levels of serotonin in the brain, making you feel unusually sad or depressed; Too much can lead to anxiety, restlessness and irritability.
10. Dry Skin And Hair Loss
Slow metabolism means less sweating as well as dry and brittle hair and nails.
Lack of thyroid hormone can actually interrupt your hair growth cycle.
“Lots of my patients come in and tell me that their hairdresser sent them,” says Dr. Miller. “They’ll say, ‘My hair stylist said I’m losing my hair and I needed to go ask my doctor about my thyroid.’ The hair salons are more aware of thyroid problems than some doctors!”