A damaged or underactive thyroid produces too little thyroid hormone lowering cellular metabolism, an overactive thyroid produces too much speeding up cell functions . . .
A damaged or underactive thyroid produces too little thyroid hormone lowering cellular metabolism, an overactive thyroid produces too much speeding up cell functions . . .
Thyronine (T4) is the storage form of thyroid hormone, the active form triiodothyronine (T3) has 3 primary functions . . .