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DrTony
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More and more studies fail to show that facial masculinity has any discernible correlation with immunological competence in men. Maybe pre-natal androgen exposure has some effect but even this is still being investigated
journals.plos.org
Masculinity and immune system efficacy in men
Masculinity-related morphological traits are supposed to be honest indicators of a man's biological quality. While some studies showed that sexually dimorphic traits are related to various aspects of biological condition such as general health, immunity or fertility, still little is known about...