According to a conventional evolutionary perspective, the human propensity for substance
use is the product of a 'mismatch'between emotional mechanisms that evolved in a past …

Human reproductive behaviour is marked by exceptional variation at the population and
individual level. Human behavioural ecologists propose adaptive hypotheses to explain this …

We describe an integrated theory of individual differences that traces the behavioral
development of life history from genes to brain to reproductive strategy. We provide …

In the vast anthropological literature devoted to hunter-gatherer societies, surprisingly little
attention has been paid to the place of hunter-gatherer children. Children often represent 40 …

This chapter focuses on (1) outlining an adaptationist perspective on physical
attractiveness,(2) presenting the basic questions that this perspective leads us to ask,(3) …

Human life history is distinguished by long lifespan, delayed reproduction, intergenerational
asymmetric benefit transfers from adults to juveniles and between adults, and a large brain …

Evolutionary and economic models of the family propose that parents face a fundamental
trade-off between fertility and investment per offspring. However, tests of this hypothesis …

Humans can engage in relatively indiscriminate altruistic behaviors such as donating money
to charities, giving blood, and volunteering to review scientific papers. They also live in …

The idea that trade-offs between offspring quantity and quality shape reproductive behaviour
has long been central to economic perspectives on fertility. It also has a parallel and richer …

This paper investigates the impact of kin on child survival in a matrilineal society in Malawi.
Women usually live in close proximity to their matrilineal kin in this agricultural community …