 It is often used to describe a stable mental state or mood in those affected with bipolar disorder that is neither manic nor depressive, yet is distinguishable from healthy controls.
<meaning-changed>  It is often used to describe a stable mental state or mood in those affected with bipolar disorder that is neither manic nor depressive, yet is distinguishable from healthy controls.
 In those with bipolar disorder, euthymia is a stable mental state or mood in those affected with bipolar disorder that is neither manic nor depressive, yet is distinguishable from healthy controls.