What's the difference between hyperthyroidism and hypothyroidism?  What causes these conditions?
D005260:Female; D006801:Humans; D006980:Hyperthyroidism / Q000175:diagnosis* / Q000209:etiology; D007037:Hypothyroidism / Q000175:diagnosis* / Q000209:etiology; D008875:Middle Aged; D013961:Thyroid Gland / Q000378:metabolism; D013963:Thyroid Hormones / Q000378:metabolism
D013963:Thyroid Hormones