LiveScience Topic:
Sex
Sex and sexuality is about more than just two people, a bed, and a few aphrodisiacs. Scientists study why humans have sexual intercourse (it is good for you and good for the species) and how sex is driven by evolution, genes, emotions and more. There is also much to learn about the differing roles of men and women in the whole mating game. Yes, there's lots of science to explore. Not that an aphrodisiac isn't more fun.
The sperm of one male may have to compete with those from another. How and why they do it is surprising.
The disparities between what younger people expect will happen as they age, and what really happens, are stark.
Vibrator use is common among American adults.
Gender-reassignment surgery addresses larger issues of gender, sexuality and sexual orientation.
Unsexy as it sounds, there are some health risks and practical concerns associated with summertime sex.
Men who ate antioxidant-rich fruits and vegetables have better rates of sperm movement, ejaculate volume, and sperm concentration.
The tenets of sexual health need to be addressed and upheld, and political and religious leaders should lead the charge.
A new study finds that the involvement of fathers lowers risky sexual behavior in teenagers.
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.
A recent study discovered that men feel guiltier following sexual infidelity, while women feel guiltier after emotional transgression.
FDA's earlier decisions on Plan B were based on bad science and hypocritical advice.
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.
European men who had been diagnosed with premature ejaculation problems found help with a topical spray
Whether it's penis size, papillomavirus risk, or profligate pregnancies, it's good to know the numbers.
Guys like Seinfeld and Dudley Moore have a leg up on the rest of us.
How well do "friends with benefits" relationships work?
For couples that just can't find a spark, spanking could be the answer.
A new study finds that when it comes to personality, people seek partners with their same qualities.
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