All illnesses have somatic and psychosocial components. The personality and circumstances patients needs to be taken into account.
A checklist of 6 categories of illnesses is a pragmatic way of making sure that all types of symptoms and illnesses are covered. The categories are classical physical illnesses; classical psychiatric illnesses; psychophysiological symptoms; reliving of traumas; hysterical illnesses (symbolic of other events); symptoms taken on as identification with a deceased loved person; secondary to any of the above.
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