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Testosterone Plays Modest Role in Menopausal Women’s Sexual Function

Levels of testosterone and other naturally-occurring reproductive hormones play a limited role in driving menopausal women’s interest in sex and sexual function, according to a new study published in the Endocrine Society’s Journal of Clinical Endocrinology & Metabolism.

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Did Men Evolve Navigation Skill to Find Mates?

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A University of Utah study of two African tribes found evidence that men evolved better navigation ability than women because men with better spatial skills – the ability to mentally manipulate objects – can roam farther and have children with more mates.

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Virtual Reality Promises New Applications for Sexual Offending

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Virtual reality may be the key to predicting both the behaviour of sex offenders and the effectiveness of the therapies they have undergone, according to a study undertaken by Massil Benbouriche of the University of Montreal’s School of Criminology.

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Sexual Fantasies: Are You Normal?

Hoping for sex with two women is common but fantasizing about golden showers is not. That's just one of the findings from a research project that scientifically defines sexual deviation for the first time ever.

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Prostate Cancer Risk Reduced by Sleeping with Many Women, but Increased with Many Men

Compared to men who have had only one partner during their lifetime, having sex with more than 20 women is associated with a 28% lower risk of one day being diagnosed with prostate cancer. However, having more than 20 male partners in one's lifetime is associated with a twofold higher risk of getting prostate cancer compared to those who have never slept with a man.

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In Amazon Wars, Bands of Brothers-in-Law

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When Yanomamö men in the Amazon raided villages and killed decades ago, they formed alliances with men in other villages rather than just with close kin like chimpanzees do. And the spoils of war came from marrying their allies’ sisters and daughters, rather than taking their victims’ land and women.

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Study Shows How Troubled Marriage, Depression History Promote Obesity

The double-whammy of marital hostility and a history of depression can increase the risk for obesity in adults by altering how the body processes high-fat foods, according to new research.

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The New ‘Double Disadvantage’

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In the United States, your nationality has some effect on your likelihood to be employed--but being married matters more. For women, it matters a lot more.

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Sexting in Teens Linked to More Sexual Activity, Low Self-Esteem

Relatively few teens say they have engaged in sexting, but those who do may put themselves at sexual risk, finds a new study in the Journal of Adolescent Health.

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UH Case Medical Center's Lisa Perriera, MD, Available to Talk About New AAP Guidelines for Birth Control and Teens

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