What are the best tests for thyroid function and why?
Jane was having difficulty maintaining her energy throughout the day. She attributed it to poor sleep and more stress with her work, but she was also experiencing changes in her hair, increased anxiety, and she was putting on weight. She set up an appointment wit her family practitioner, who checked some basic lab work, including iron levels, electrolytes, and a TSH. All came back normal (or within normal lab limits according to the laboratory reference ranges). Her pract