Immune function during early adolescence positively predicts adult facial sexual dimorphism in both men and women. YZ Foo, LW Simmons, DI Perrett et al.
Date: February 2020 (Online). Source: Evolution and Human Behavior. https://doi.org/10.1016/j.evolhumbehav.2020.02.002. Abstract: Evolutionary theories suggest that humans prefer sexual dimorphism in faces because masculinity in men and femininity in women may be an indicator of immune function during development. In particular, the immunocompetence handicap hypothesis proposes that sexual dimorphism indicates good immune function during development because the…