We fill the human-shaped void with 225 percent more Facebook interactions.
I traveled around the country interviewing happy couples; this is what I learned.
Vacuums of reliable information and sexism in popular culture can have serious consequences for women's health.
Study shows that the recently-dumped are more likely to use sex with someone new to cope with negative feelings.
A visualization of early Christian rules about sex; or, why sex is still a weird thing today.
Though humans' sexual lives differ greatly from animals', the line is blurred in music.
A day in the life of a sex researcher
One of America's first diet hawks, Sylvester Graham was certain that sexual desire was ruining society. His solution: whole wheat. How a zealot's legacy lives in our foods today.
Six trite, absurd, insulting, expressions of the soul-sucking vortex known as humanity
New research says sexual activity can grow brain cells. Keeping them may be another matter.
What can you learn from that appealing look of testosterone?
When should you disclose medical conditions to a date? When is illness too much for a relationship to survive?
Researchers in Barcelona "infer that the heightened euphoria following a victory can cultivate hedonic sensations."
Greater distance apart actually predicted more intimacy, communication, and satisfaction.
Can we predict romantic prospects just from looking at a face?
Calories burned are the equivalent of 25 minutes of walking uphill, research says.
Working with my international AIDS foundation, I have witnessed discrimination, injustice, and indignation as the major barriers to treatment and cure.
Dating poses the same basic challenge for everyone: trusting someone else.
Lack of research and knowledge about female hypersexuality stem from the double standard that men always want sex and women never do. Some women instead refer to their condition as "love addiction" or "relationship addiction."
Men and women are roughly equally likely to be infertile, but for years the focus has been on female treatments.