See protocol stack. (2) A hierarchy of software. A stack is the common set of programs used in a computer. The stack can refer to infrastructure only (see technology stack) or to the applications the company gives its employees (see application stack). It may also refer to an industry set or developer set of programs.
2 types of serious Mood disorders 1.) Major depressive disorder (unipolar:only one mental state =depression) 2.) Bipolar disorder: has both the manic and depressive state
What Are Mood Disorders? Mood disorders are a category of illnesses that describe a serious change in mood. Illness under mood disorders include: major depressive disorder, bipolar disorder (mania - euphoric, hyperactive, over inflated ego, unrealistic optimism), persistent depressive disorder (long lasting low grade depression), cyclothymia (a mild form of bipolar disorder), and SAD (seasonal affective disorder).