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Try out PMC Labs and tell us what you think. Learn More. Changes in sexual behavior have resulted in longer periods of multiple serial or concurrent relationships. This study investigated the effects of multiple heterosexual partners on mental health, specifically, whether higher numbers of partners were linked to later anxiety, depression, and substance dependency. Data from the Dunedin Multidisciplinary Health and Development Study, a prospective, longitudinal study of a birth cohort born in — in Dunedin, New Zealand were used. The relationship between numbers of sex partners over three age periods 18—20, 21—25, and 26—32 years and diagnoses of anxiety, depression, and substance dependence disorder at 21, 26, and 32 years were examined, using logistic regression.
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Is There a Price to Pay for Promiscuity?

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More sexual partners, more cancer? - Harvard Health

Couples can fall into a polyamorous lifestyle in a few different ways. Some decide they want to search for a third member of their relationship, whereas others simply fall into the polyamorous community and find it works out better for them. A common misconception of polyamory — the word for having multiple romantic partners — is that it's all about people wanting to have their cake and eat it too. This may be the case for those who go "unicorn hunting," but others in successful polyamorous relationships don't see it that way.
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More sexual partners, more cancer?

Society puts an emphasis on sexuality — but casual sex can impact your physical and emotional health in ways that you may not suspect. Can promiscuity threaten your longevity? The short answer is yes.
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Metrics details. China is realizing increases in women engaged in premarital sex and multiple sex partner behavior. Our aim was to examine prevalence and determinants of multiple sex partner behavior among female undergraduates in China.
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