“…With some exceptions, the age of onset [4,5,[23][24][25][26] (but also see [27][28][29][30]), type of symptoms, severity, and likelihood of chronicity and recurrence [4,5,26,27,[31][32][33] (but also see [34][35][36][37][38][39][40]) display few consistent differences between men and women. Clinically, the following are more likely in women: present with anxiety, atypical symptoms, or somatic symptoms [7,26,27,37,39,41,42]; report symptoms, particularly in self-ratings [7,26,41]; report antecedent stressful events [43,44]; and display increased comorbidity of anxiety and eating disorders [30,45,46], thyroid disease [47,48], and migraine headaches [49], as well as lower lifetime prevalence of substance abuse and dependence [27,30,50]. Some sex differences in treatment response characteristics have also been observed, with women (...…”