Resumo

ARENAS, M. Carmen  e  PUIGCERVER, Araceli. Sex differences of anxiety disorders: Possible psychobiological causes. Escritos de Psicología [online]. 2009, vol.3, n.1, pp.20-29. ISSN 1989-3809.

Anxiety disorders are common in both men and women and are particularly disabling for the sufferer. Women of reproductive age are more vulnerable to developing these mental disorders than men; in fact their prevalence is 2-3 times higher among females than among males. Sex differences have also been reported in relation to the manifestation and expression of symptoms, the will to request medical or psychological assistance, the course of the disease, and even in the response to treatment. These sex differences may be attributable to multiple factors, such as genetic predisposition, anatomy, hormones and environment. However, very little is known about the risk factors for women with respect to developing anxiety disorders, and so the origins of sex differences in these disorders is an important topic of research. We consider that variations in stress reactivity may be one of the mechanisms underlying gender differences in anxiety disorders. The purpose of this brief review is to highlight data on the psychobiological factors that make women more prone to suffering anxiety disorders than men.

Palavras-chave : anxiety disorders; sex differences.

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