An abnormality of thyroid physiology characterized by excessive secretion of the thyroid hormones thyroxine (i.e., T4) and/or 3,3',5-triiodo-L-thyronine zwitterion (i.e., triiodothyronine or T3). [ https://orcid.org/0000-0002-0736-9199 ]

Synonyms: Overactive thyroid

This is just here as a test because I lose it