Did you know that bipolar disorder and medication-resistant depression can both be caused by thyroid resistance in the brain?
T4 transforms into T3 in the bloodstream. Some healthcare providers also check free T3 and reverse T3 levels. Free T3 measures the active thyroid hormones in your blood. The reverse T3 (rT3 ...
Serum concentrations of thyroxine (T4), triiodothyronine (T3), reverse T3 (rT3), and thyrotropin (TSH) were determined in 21 consecutively admitted children (ages 3 wk 63mo;10 M, 11 F) in April ...