All About Sex

The best sex ever

Michael Castleman M.A.

Quick, Easy Ways to Coach Lovers' Sexual Moves

Quick, easy ways to coach lovers' sexual moves. Few do this, but if you do, you'll enjoy much more satisfying sex.

Sex Helps Treat the Pain and Stiffness of Osteoarthritis

For the 20 million American adults with osteoarthritis, the pain and stiffness can be controlled with the help of frequent lovemaking.

Surprising New Data from the World’s Most Popular Porn Site

PornHub is the world's most popular porn site. Who visits? When? What do they watch? On which devices? And for how long per visit?

Effective Self-Help for Women’s Pain During Intercourse

Are you a woman troubled by pain during intercourse? A female physical therapist’s self-help book just might cure you.

Men, Women, and Sex Problems Throughout the Lifespan

Throughout the lifespan, men and women tend to develop their most daunting sex problems at different time, often making couples feel out of synch.

Do Lovers' Sexually Transmitted Infections Prove Cheating?

When a lover turns up with a sexually transmitted infection, the person may have been unfaithful, but not necessarily.

Want More Intense Orgasms? Try This Simple, Subtle Exercise

For more intense, more pleasurable orgasms—guaranteed!—try quick, easy, private Kegel exercises.

If Someone Takes “Forever” to Reach Orgasm

Do you or your lover have difficulty working up to orgasm? In both genders, orgasm difficulties are fairly common—and almost always curable

What Fraction of Men Develop Erectile Dysfunction, Really?

Sexologists still don't know the true prevalence of ED. But as time passes, the proportion of men who admit it keeps growing.

Sex in America: 45 Years of Often Contradictory Changes

Teen sex has decreased, but casual adult sex is on the rise. Acceptance of premarital sex is up, but acceptance of affairs is down. What’s going on?

9 Keys to Great Sex

It's not that difficult to enjoy great sex. Just incorporate these nine elements into lovemaking.

If the Woman You Love Gets Sexually Assaulted

Sexual assault leaves survivors traumatized. How men can help them cope and recover.

How to Discuss Sex With Your Children

Child and teen sex education resources contain misinformation and emphasize procreation over pleasure. Here's how to correct them.

Are Sexual Lubricants Safe?

Recent studies suggest that sexual lubricants may damage genital cells and increase sexual infection risk. But if this is true, there are easy ways around the problem.

The New Erotic Frontier: Sex in Nursing Homes

Nursing homes are slowly moving from a policy of “don’t” to “do not disturb.”

The Man’s Guide to Vibrators

Today's couples increasingly use vibrators together during partner sex. But many men are unclear about how best to use them on women. Some suggestions.

Fantasies of Other Lovers? Relax, Almost Everyone Has Them

While making love with your honey, do you have erotic fantasies of other lovers? If not, you're unusual.

Surprise: Men Enjoy—and Want—Foreplay

Many women say men fixate on intercourse, but one study shows that both genders value foreplay equally. Meanwhile, men who engage in extended foreplay suffer fewer sex problems.

Sex During Late Pregnancy: A Risk of Premature Delivery?

Does sex during late pregnancy pose a risk of premature delivery? Most studies say no, but a few say yes. What should expectant parents do?

More Porn, Less Rape? The Controversy Revisited

Does pornography contribute to sexual assault. Retrospective trials says yes, but prospective trials say no. Prospective trials are much more credible. So, more porn, less rape.

Performance Anxiety Is Often Transition Anxiety

Masturbation is easy, but partner sex is more challenging. When young lovers move from the former to the latter, their "performance anxiety" is often transition anxiety.

Is Hair Down There Going, Going, Gone?

An increasingly large majority of American women (84 percent) and men (51 percent) now trim, shape, or completely shave their public hair. What, if anything, does this mean?

The Prescription for a Longer Life? More Sex

Independent of health, maintaining an active, regular sex life appears to extend longevity. Sex put life into your years and years into your life.

Do People in Couples Have the Right to Masturbate?

Some coupled women object to their men masturbating, believing they should meet all their partners' sexual needs. But a marriage license confers no right to prohibit solo sex.

The Sexual Impact of Diabetes on Women

Recent research clarifies how diabetes often harms women sexually. While diabetic women are not fated to develop sex problems, many do.

The Real Sex Lives of Men Over 65

By 65, most erections are history, but with semi-firm or even completely flaccid penises, older men can still enjoy great, orgasmic sex.

Teen Pregnancies Fall But School Sex Ed Doesn’t Work. Huh?

The number of teen pregnancies has plummeted by more than half in a generation. But a new analysis shows that school-based sex education classes don't work. How is this possible?

How Could Men Report More Sex and More Partners Than Women?

Whenever a man has hetero sex, a woman does, too. Yet men consistently report more sex with more partners. How could this be?

Evidence Mounts That Yoga Improves Sex

Adding to a growing research literature, a recent Korean study shows that yoga improves sex for women.

Age of Consent: How Old Is Old Enough for Sex?

In most states, the "age of consent," the age when adolescents can legally have sex, is 16. It used to be considerably younger.

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