Adiposity, compared with masculinity, serves as a more valid cue to immunocompetence in human mate choice

Markus J. Rantala (Lead / Corresponding author), Vinet Coetzee, Fhionna R. Moore, Ilona Skrinda, Sanita Kecko, Tatjana Krama, Inese Kivleniece, Indrikis Krams

    Research output: Contribution to journalArticlepeer-review

    46 Citations (Scopus)

    Abstract

    According to the ‘good genes’ hypothesis, females choose males based on traits that indicate the male's genetic quality in terms of disease resistance. The ‘immunocompetence handicap hypothesis’ proposed that secondary sexual traits serve as indicators of male genetic quality, because they indicate that males can contend with the immunosuppressive effects of testosterone. Masculinity is commonly assumed to serve as such a secondary sexual trait. Yet, women do not consistently prefer masculine looking men, nor is masculinity consistently related to health across studies. Here, we show that adiposity, but not masculinity, significantly mediates the relationship between a direct measure of immune response (hepatitis B antibody response) and attractiveness for both body and facial measurements. In addition, we show that circulating testosterone is more closely associated with adiposity than masculinity. These findings indicate that adiposity, compared with masculinity, serves as a more important cue to immunocompetence in female mate choice.
    Original languageEnglish
    Article number20122495
    JournalProceedings of the Royal Society B
    Volume280
    Issue number1751
    DOIs
    Publication statusPublished - 22 Jan 2013

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