To explain emergent cultural phenomena, this paper argues, it is inevitable to understand the evolution of complex human cognitive adaptations and their links to the populationlevel dynamics of cultural variation. On the one hand, the process of cultural transmission is influenced and constrained by humans’ evolved psychology; people tend to acquire some cultural variants rather than others. On...

OBJECTIVE Resemblances between parents and children for alcohol use can be due both to cultural transmission and genetic inheritance. We examined the genetic and environmental determinants of the familial resemblances in alcohol use. METHOD With a parent-twin design a distinction was made between the contribution of genetic effects, the environmental influences shared by siblings and the effe...