A review of the psychological, psychiatric, and social science literature revealed that parentification and role-reversal are terms that are used extensively, often without precise definition, although the implication is almost invariably that the process is pathogenic. An organismic rather than mechanistic view of the situation might suggest that, as is so often the case, whether the effects are adverse or not depends on a multitude of other factors. The final outcome for any individual can only be judged at the end of his or her life-span and the judgement will be largely subjective.