Evolution depends on genes being passed down through the generations via reproduction, and same-sex sexual behavior does not result in offspring.
May 17, 2023
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Testosterone levels appear to be significantly linked with both the type of intimate relationships men and women engage in and their sexual behavior, according to new research published today in the peer-reviewed The Journal ...
Oct 12, 2021
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Sex, and lots of it, has long been the primary preoccupation of young adults, but more of them are now going months and years without any intimate encounters.
Jun 12, 2020
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Women who engage in sexual activity weekly or monthly have a lower risk of entering menopause early relative to those who report having some form of sex less than monthly, according to a new UCL study.
Jan 14, 2020
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A new international study has found fathers who invest time and money in their children are likely to be more jealous when their partner cheats on them compared with dads who are less involved.
Jul 23, 2019
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The share of American adults having no sex in the past year reached an all-time high in 2018, an intimate survey revealed Friday, and many of those missing out are men in their 20s.
Mar 29, 2019
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Monthly shots of HIV drugs worked as well as daily pills to control the virus that causes AIDS in two large international tests, researchers reported Thursday.
Mar 7, 2019
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Encountering information suggesting that it may be tough to find a romantic partner shifts people's decision making toward riskier options, according to new findings from a series of studies published in Psychological Science, ...
Apr 18, 2016
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Men are twice as likely as women to get cancer of the mouth and throat linked to the human papillomavirus, or HPV, one of the most common sexually transmitted infections, researchers say.
Feb 13, 2016
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(Medical Xpress)—Like most things, sex requires motivation. An attractive face, a pleasant fragrance, perhaps a sexy image. Yet people differ in their response to sex cues, some react strongly; some don't. A greater responsiveness ...
May 15, 2014
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