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Psychogenic alopecia
Psychogenic alopecia, also called ''over-grooming'' or ''psychological baldness,''〔(【引用サイトリンク】title=Over-grooming (Psychogenic Alopecia) in Cats )〕 is a compulsive behavior that affects domestic cats. Generally, psychogenic alopecia does not lead to serious health consequences or a decreased lifespan.〔
== Causes ==
Grooming is a natural behavior for cats. Cats spend 5%-25% of their waking hours grooming.〔(【引用サイトリンク】title=Cat Psychogenic Alopecia )〕 Grooming becomes excessive when it takes precedence over other activities or no longer seems functional.〔〔 Excessive grooming, which can lead to hair loss, skin wounds, and ulceration, can result from chronic stress or develop in cats who already exhibit nervous temperaments. Even when the source of stress is resolved or removed, excessive grooming may continue.〔 There may be some genetic basis for the behavior, and it predominantly affects purebred cats of oriental breeds, but can develop in any feline. Female cats appear more susceptible.〔 Environmental factors suspected of causing over grooming include flea allergy, boredom, food allergy, dust or pollen causing an allergic reaction, constipation and/or urinary tract infection caused by avoidance of a dirty litter tray, dermatitis, anxiety caused by inconsistent meal times. Deprivation of sunlight could be the part of the problem for indoors only cats.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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