Abstract
Evolutionary principles can explain many aspects of human social behaviour. Despite important contro versies concerning the theory of sociobiology, evol utionary models offer cogent explanations for social phenomena such as altruism and parental investment. Evolutionary social science also has an important relevance for transcultural psychiatry, in that it is consistent with a biopsychosocial model for the etiology of psychiatric disorders, and points to the universals which underlie cultural variations in psychopathology.
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