Iodine is a core component of thyroxine (T4) and triiodothyronine (T3), both of which are thyroid hormones that regulate metabolism, growth, and neurological development. 1,2 Unlike most other ...

Rachael Link is a registered dietitian and health writer based in San Francisco. She completed her undergraduate degree at the University of Central Missouri and holds a master’s degree from New York ...

Substituting potassium iodide for methimazole to treat Graves' disease during the first trimester of pregnancy may decrease the incidence of birth defects, according to a Japanese study published in ...