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Anorexia is a medical term for a loss of appetite.While the term outside of the scientific literature is often used interchangeably with anorexia nervosa, many possible causes exist for a loss of appetite, some of which may be harmless, while others indicate a serious clinical condition or pose a significant risk.
This is an accepted version of this page This is the latest accepted revision, reviewed on 2 March 2025. Mental illness characterized by abnormal eating habits that adversely affect health Medical condition Eating disorder Specialty Psychiatry, clinical psychology Symptoms Abnormal eating habits that negatively affect physical or mental health Complications Anxiety disorders, depression ...
Separation" models involve physical separation as a stressor to induce a depression-like condition; this includes decreased feeding, weight loss, and various cognitive changes . Studies with animal models simulating loss of hunger are not well suited to replicate AN because they are essentially based on the assumption of loss of appetite. [81]
Other mental health conditions, medications, and underlying medical issues can cause weight loss and changes in appetite. If you’ve noticed significant weight loss lately, it’s best to seek ...
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In other cases, ARFID subjects may eat a variety of foods but -- due to lack of interest or low appetite -- not eat enough to meet growth and/or nutritional needs. [7] People with ARFID may also be afraid of trying new foods, a fear known as food neophobia. [8] For some people with ARFID, multiple reasons for undereating apply. [2] [9]
Etymologically, anorexia is a term of Greek origin: an-(ἀν-, prefix denoting negation) and orexis (ὄρεξις, "appetite"), translating literally to "a loss of appetite". In and of itself, this term does not have a harmful connotation, e.g., exercise-induced anorexia simply means that hunger is naturally suppressed during and after ...
Since the elderly are often on multiple medications, they are at risk for taste disturbances, increasing the chances of developing depression, loss of appetite, and extreme weight loss. [52] This is cause for evaluation and management of their dysgeusia. In patients undergoing chemotherapy, taste distortions can often be severe, and make ...