Dads, Too, Get Hormone Boost While Caring for Baby By Sally Law More active play with baby boosts dad's "love hormone."
The 9 Most Provocative Sex Science Stories of 2009 By Sally Law As 2009 comes to a close, LiveScience looks back at the year's nine most intriguing sex lessons.
Why Some Men Can't Control Arousal By Sally Law Men who can regulate their sexual arousal can also control their other emotions.
Spiritual Women Have More Sex By Sally Law New research has found that spirituality has a greater effect on the sex lives of young adults.
Sex Change Operations: The Science, Sociology and Psychology By Sally Law Gender-reassignment surgery addresses larger issues of gender, sexuality and sexual orientation.
The Risks of Summer Sex By Sally Law Unsexy as it sounds, there are some health risks and practical concerns associated with summertime sex.
Antioxidants Boost Sperm Quality By Sally Law Men who ate antioxidant-rich fruits and vegetables have better rates of sperm movement, ejaculate volume, and sperm concentration.
Leaders Called Upon to Support Sexual Health By Sally Law The tenets of sexual health need to be addressed and upheld, and political and religious leaders should lead the charge.
Involved Dads Lower Their Kids' Sex Risks By Sally Law A new study finds that the involvement of fathers lowers risky sexual behavior in teenagers.
How Safe Is the Pill? By Sally Law While oral contraceptives are effective in reducing the risk of unwanted pregnancy, its effects on the human body – both good and bad – have been cause for debate.
Effects of Infidelity on Men vs. Women Surprise Researchers By Sally Law A recent study discovered that men feel guiltier following sexual infidelity, while women feel guiltier after emotional transgression.
Basis for Male Promiscuity Questioned By Sally Law A new study on reproductive success finds that humans don’t always conform to the roles of "promiscuous" males and "selective" females.
Some Men Prefer Fat Women By Sally Law A recent study finds that not only do some men prefer overweight women, but that they also find a wide range of body sizes attractive.
The 10 Most Surprising Sex Statistics By Sally Law Whether it's penis size, papillomavirus risk, or profligate pregnancies, it's good to know the numbers.
Survey Finds 'Friends with Benefits' Common By Sally Law How well do "friends with benefits" relationships work?
The Truth on Whether 'Opposites Attract' By Sally Law A new study finds that when it comes to personality, people seek partners with their same qualities.
Why Some Women Find Sex Painful By Sally Law Research suggests women's pain during sex should be reclassified as a pain disorder rather than a sexual dysfunction.
Focusing on Sexual Desire Can Ruin It By Sally Law Women who pay too much attention to their performance during sex could be inhibiting sexual desire.
What Modern Men Want in Women By Sally Law What do men want in a woman? Brains? Beauty? Vacuuming prowess?
Everyone Agrees: Women Are Hard to Read By Sally Law Both men and women are able to gauge a man’s interest in a woman, but are equally baffled when it comes to figuring out if a woman is interested in a man.
Women's Brains Respond to Manly Men By Sally Law A new study finds that the brains of hormonal women respond to men with overtly masculine facial features.
Mating Game Is a Waiting Game By Sally Law Extended courtships allow females to screen for potential providers, while males can prove they're suitable.
New 'Joy of Sex' Slim on Science By Sally Law Even updated, "The Joy of Sex" is by no means a scientific treatise: its most popular section will likely remain "Main Courses."
