Clinical assessmentFurther information: Rating scales for depressionA diagnostic assessment may be conducted by a suitably trained general practitioner, or by a psychiatrist or psychologist, who recor ...
Monoamine hypothesis Of approx. 30 neurotransmitters that have been identified, researchers have discovered associations between clinical depression and the function of three major neurochemicals. The ...
The biopsychosocial model proposes that biological, psychological, and social factors all play a role in causing depression. The diathesis–stress model specifies that depression results when a preexi ...
Major depression frequently co-occurs with other psychiatric problems. The 1990–92 National Comorbidity Survey (US) reports that 51% of those with major depression also suffer from lifetime anxiety. ...
Major depression significantly affects a person's family and personal relationships, work or school life, sleeping and eating habits, and general health. Its impact on functioning and well-being has b ...
Major depressive disorder (MDD) (also known as clinical depression, major depression, unipolar depression, or unipolar disorder; or as recurrent depression in the case of repeated episodes) is a menta ...
In some cases, eating too much of one thing can induce an apparent deficiency of something else. A common example occurs when livestock eat locoweed: locoweed contains a toxin that inhibits enzymes, s ...
Vitamin poisoning is the condition of overly high storage levels of vitamins, which can lead to toxic symptoms. The medical names of the different conditions are derived from the vitamin involved: an ...
Obesity is caused by consuming too many calories compared to the amount of exercise the body is performing, causing a distorted energy balance. It can lead to diseases such as cardiovascular disease a ...
A nutritional disorder is a disease that results from excessive or inadequate intake of food and nutrients which leads to conditions such as obesity, kwarshiarkor and rickets. Nutritional disorders us ...
The adrenal glands atrophy during prolonged use of exogenous glucocorticoids like prednisone. Atrophy of the breasts can occur with prolonged estrogen reduction, as with anorexia nervosa or menopause. ...
Pathologic atrophy of muscles can occur with diseases of the motor nerves, or diseases of the muscle tissue itself. Examples of atrophying nerve diseases include CMT (Charcot Marie Tooth syndrome) pol ...
Disuse atrophy of muscles and bones, with loss of mass and strength, can occur after prolonged immobility, such as extended bedrest, or having a body part in a cast (living in darkness for the eye, be ...
Examples of atrophy as part of normal development include shrinking and the involution of the thymus in early childhood, and the tonsils in adolescence. In old age, effects include, but are not limite ...