Physical Attractiveness as a Signal of Biological Quality

摘要: It has been commonly thought that standards of beauty are arbitrary cultural conventions vary between cultures and time. In my thesis I found it is not so. Instead, show attractiveness preferred traits serve as cues to phenotypic qualities provide selective benefits for those who choose their mates based on these criteria. the first study attractive men have a stronger antibody response hepatitis b vaccine higher levels testosterone than less peers. Men with low also tend high stress hormone cortisol, suggesting immune responses may inhibited by hormones. Thus, facial an honest cue strength defence in men. second study, male body better immunity. addition, adiposity, both men’s faces bodies, immunity masculinity. third test preferences women from 13 countries cortisol. there cross-cultural variation women’s preference cortisol faces. relationship health nation face interaction societal-level measure parasite stress. seems ecological factors influence relative value revealed combinations fourth responsiveness (amount antibodies produced) does predict attractiveness. plasma level negatively associated attractiveness, indicating stressed look attractive. Fat percentage curvilinearly being too thin or fat reduces This suggests contrast men, indicate defence, but other aspects long-term fertility: circulating fat. last odor positively correlated levels, odors signal quality males females. However, was levels. My standard eye beholder. our hardwired brains genes selected natural selection influenced current environmental conditions.