“…To our knowledge, no systematic review or meta‐analysis has been published on risk factors for late‐onset psychoses identified by cohort studies. Although some interesting reviews are available (Grahame, ; Harris, ; Castle and Murray, ; Almelda et al , ; Henderson and Kay, ; Wynn Owen and Castle, ; Howard et al , ; Hassett, ), most of the studies included in these reviews have cross‐sectional designs, not the best design to assess causality (Gray, ). Women seem to be overrepresented among subjects with late‐onset psychosis (Kay, ; Herbert and Jacobson, ; Grahame, ; Castle et al , ).…”