Doug VanderLaan

Doug VanderLaan is an Associate Professor in the Department of Psychological and Brain Sciences at the University of Toronto Mississauga. His research focuses on sexual and gender diversity from evolutionary, developmental, and neuroscience perspectives. Much of his research is cross-cultural in scope, spanning several countries across six continents. This work includes ongoing intensive field and collaborative studies in Northern Thailand, and previous field research in Samoa.

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Authored by Doug VanderLaan

March 10, 2026

Developing Kinship: How Culture and Cooperative Caregiving Shaped the Evolution of Sexual & Gender Diversity

Research across cultures suggests that family care and support may help explain why same-sex sexuality has endured throughout human history.