I would go with what the pulmonary doctor said... that is their specialty. Some family physicians only know medicine to a certain extent and that is why they refer patients to specialists so they can better diagnose patients since they specialize in certain areas of medicine.
The thyroid gland uses iodine (mostly available from the diet in foods such as seafood, bread, and salt) to produce thyroid hormones.
The symptoms of hypothyroidism are often subtle. They are not specific (which means they can mimic the symptoms of many other conditions) and are often...