31. Diverse neurologic symptoms, including a predisposition to psychiatric illness , may also be associated with this disorder. 32. Individuals with dementia, delirium or other severe psychiatric illnesses combined with DES often have disturbed sleep patterns. 33. As late as the 1950s, laws in Japan allowed the forcible sterilization of patients with psychiatric illnesses . 34. The unique nature of psychiatric illness necessitates a certain degree of experience before effective treatment can be rendered. 35. From a local college, they selected 26 volunteers who had no history of brain disease or psychiatric illnesses . 36. While this story of psychiatric illness has a good ending, it didn't come easily or painlessly. 37. Many of the early cases of conversion disorder or hysteria had organic conditions as opposed to a psychiatric illness . 38. Remember that many non-mainstream sexual practices have first been considered as psychiatric illnesses and then no longer. 39. For the most part, until this time, any concern regarding mental disorders was limited to psychiatric illnesses . 40. The absence of psychiatric illness or other apparent psychological or emotional factors that could account for what is being reported.