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2004 JAN 1 - (NewsRx.com & NewsRx.net) -- Disgust sensitivity across the human menstrual cycle varies with higher conception risk, not higher immunosuppression.
"Disgust operates in many domains of behavior. On the presumption that facets of this emotion evince adaptive design, we conducted a cross-sectional study of 307 women, investigating changes in disgust sensitivity across the menstrual cycle.
Two hypotheses were tested, namely (i) sexual disgust is an adaptation that serves to reduce participation in biologically suboptimal sexual behaviors, and (ii) many facets of disgust sensitivity compensate for cyclic changes in immunological robusticity via patterned alterations in behavioral prophylaxis against pathogens," scientists in the United States report.
"Hypothesis (i) was supported, as disgust sensitivity in the sexual domain, and only in the sexual domain, was positively correlated with presumed conception risk, as assessed on the basis of self-reported position in the menstrual cycle.
"Hypothesis (ii) was not supported, as no facet of disgust sensitivity changed as a function of the presumed level of immunosuppression as assessed on the basis of self-reported position in the menstrual cycle," wrote D.M.T. Fessler and colleagues.
The researchers ...