the.com/thyroid
A butterfly-shaped tyrant in your neck deciding whether you sprint or stall.
shapeNamed for a shield-shaped cartilage it sits beneath
iodine appetiteHoards iodine to manufacture its hormones
metabolism bossSets the speed of nearly every cell
goiter historyIodized salt nearly erased swollen necks worldwide
tiny but mightyWeighs about an ounce, rules your energy