All About Sex

The best sex ever

Michael Castleman M.A.

A New Approach to Resolving Desire Differences in Couples

In long-term couples, desire differences are virtually inevitable. A new approach to resolving them holds considerable promise.

Help for Couples’ Number One Sex Problem, Part 1

"You're insatiable!" "You never want to!" Desire differences are the number one sex problem of long-term couples. Fortunately, they can usually be resolved.

Does Pornography Cause Erectile Dysfunction in Young Men?

A recent study says that pornography both does and does not raise risk of erectile dysfunction (ED) in young men. A careful analysis shows that porn does not raise ED risk.

Does Casual Sex Lead to Pleasure, Regret, or a Little of Both?

Casual sex is controversial. Many say it usually causes regret—but a new review of 71 studies shows that its main result is pleasure.

Alternative Medicine for Premature Ejaculation Is Not the Best Option

Alternative therapies are safe and effective treatments for many medical conditions. But a recent review of the research shows that premature ejaculation is not one of them.

10 Things That Can Make a First Sexual Experience a Positive One

Virginity loss usually involves mixed emotions, but the research has largely focused on regret. A recent study identifies the most important elements of first-time pleasure.

Elders' Sexual Function Improves Significantly with Ginseng

For centuries, Asians have considered ginseng root (Panax ginseng) a remarkably medicinal herb. Recent research shows that it improves sexual function in older men and women.

The Best Treatment for Out-of-Control Sexual Behavior

For men who think they're sexually out-of-control, the best path to change involves cognitive-behavioral therapy.

The Truth About Casual Sex Today

The largest study of young adult hookups shows that this 21st century spin on dating appeals most to affluent white students at top schools who plan to attend graduate school.

Evidence Mounts That Porn Doesn't Cause Erectile Dysfunction

Critics of pornography charge that sexually explicit videos destroy viewers' erections. Three recent studies conclude that this is not the case.

Why Few Women Are Pleased with the Results of Labiaplasty

Some women pursue cosmetic surgery to enhance their genital appearance. But after surgery, few notice much improvement.

The Last Word on the Length of Men’s Erections

Men generally believe that the length of the average erection measures about 6.2 inches. The best research shows it’s actually about an inch shorter.

Why Do Submissives in BDSM Experience Pain as Pleasure?

Why do BDSM submissives often experience pain as pleasure? In BDSM and many non-kink activities, pain can bring enjoyment.

Phone and Zoom Sex: Potential Joys and Perils

Remote sex—trading sexts, or phone, FaceTime, or Zoom sex—offers distant lovers intimate connections while apart. Could it work for you?

Why Many Long-Term Polyamorous Couples Thrive

Critics assert that polyam relationships are brief smokescreens for infidelity. But a recent study shows that many thrive for decades.

How Many Women Suffer Sexual Pain? Way More Than Men Think

Many women suffer pain during sex, but few mention it. Consequently, most men are in the dark. Here's a man's guide to women's sexual pain.

How Multiple Orgasms Occur, and Who Has Them

It's not clear how many have multiple orgasms, but they are not as rare as once thought.

A Potentially Risky Kink? Breath Play Is Becoming More Popular

A potentially risky type of BDSM, choking, is gaining popularity with young adults. It reflects the growing popularity of BDSM and can be enjoyed safely—but be careful.

Why Gazing Into a Partner’s Eyes Boosts Intimacy and Sexual Pleasure

Sustained mutual eye-gazing can increase trust, intimacy, and attachment—and enhance sexual pleasure.

The 7 Most Popular, and Powerful, Sexual Fantasies

The rare truth about sexual fantasies: Few people fantasize about their regular partners. Many dream of forbidden, unconventional, and kinky sex.

The Male Sexual Ego Is Less Fragile Than Many Women Believe

Many women don't speak up about the sex they want, for fear of shattering men's supposedly fragile egos. But most men are resilient, and sexual coaching helps.

Older Lovers Say They Want Regular Sex—But Not Intercourse

Older lovers say they want sex around twice a month. But by age 60, intercourse usually becomes problematic. Most older couples dispense with intercourse and embrace "outercourse."

Why People Are Having So Much Less Sex

Since 2000, partner sex has declined and celibacy has risen. Experts suggest possible reasons.

Does Pornography Promote Sexism?

Many critics insist that pornography promotes sexism. But studies find that porn viewing is associated with more egalitarian views of women.

How Diet Can Enhance Sex—Or Ruin It

Few people appreciate diet's importance in sex. Studies abound showing that for peak sexual function and pleasure with the fewest sex problems, eat lots of fruits and vegetables.

The Truth about Vaginal Orgasms

Freud postulated vaginal orgasms. Masters and Johnson insisted all orgasms are clitoral. Feminists agreed. But recent research shows vaginal orgasms happen—because of the clitoris.

A Key to Rape Prevention

Almost all sexual assaults involve alcohol, often a great deal.

What Really Turns Men On

Young men are notoriously lusty. But after age 30, the male libido becomes more like women’s, based on feeling desired and emotional connection.

Sexual Satisfaction: Does Marriage Help or Hurt It?

Platitudes say that after the honeymoon, marriage reduces sexual satisfaction. But most studies say marriage boosts satisfaction. A recent study makes sense of this contradiction.

Want Better Sex? Get More Sleep

Chronic sleep deprivation is common and hurts libido and sexual function.

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