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The biology of depression is the attempt to identify a biochemical origin of depression, as opposed to theories that emphasize psychological or situational causes. Scientific studies have found that different brain areas show altered activity in humans with major depressive disorder (MDD) . [ 1 ]
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
Management of depression is the treatment of depression that may involve a number of different therapies: medications, behavior therapy, psychotherapy, and medical devices. Depression is a symptom of some physical diseases; a side effect of some drugs and medical treatments; and a symptom of some mood disorders such as major depressive disorder ...
Nearly one-third of a Americans have symptoms of depression or anxiety—the two most common mental disorders in the U.S. The symptoms vary from person to person but may include:. Feeling sad ...
Family history, previous diagnosis of a mood disorder, trauma, stress or major life changes in the case of depression, physical illness or use of certain medications. Depression has been linked to major diseases such as cancer, diabetes, Parkinson's disease and heart disease, Brain structure and function in the case of bipolar disorder. [1 ...
Medications for Depression: An Overview. Antidepressants are a class of medications used very commonly to treat depression. In fact, nearly 13 percent of people 12 and over in the U.S. used ...
refer to something about biology itself; for instance, not a branch of biology; are broadly applicable terms, not specific to a small subset of organisms; do not fit well into any other more specific existing terminology category; Anatomical terms are not included here and appear in sub-categories of the main Anatomy category.
[12] [13] [14] One interpretation is that depression manifests due to an imbalance of neurotransmitters in the brain, resulting in feelings of worthlessness and despair. Magnetic resonance imaging shows that the brains of people diagnosed with depression may have a hippocampus up to 10% smaller than those who do not exhibit signs of depression.