Articles Index

Premature Ejaculation
Learn how researchers define premature ejaculation, what the suspected causes of premature ejaculation are, and how to stop premature ejaculation.

Causes of Painful Sex
Describes both physical and psychological causes of pain during sex.

Female Genitals
A guided tour of the basic parts of the female genitals, including the vulva, vagina, clitoris, pc muscle, g-spot, and more.

Sex Sounds
Only a few brave researchers have ventured into the territory of human sexual sounds. Here’s what we know.

Drugs for Treatment of Premature Ejaculation
What drugs are available to treat premature ejaculation, and what other drug options may be available soon?

Erectile Dysfunction
Discusses recent research on the prevalence and risk factors for erectile dysfunction in the United States.

Anatomy of Intercourse
The anatomy of intercourse research from Leonardo da Vinci to Masters and Johnson to MRI and 3D ultrasound imaging.

What Is Human Sexual Response?
Description of human sexual response, the benefits and drawbacks of thinking of sexual experience using a multi-stage model of sexual response.

Vaginal Dryness
Explanation of the symptoms and causes of vaginal dryness and the different treatments available for vaginal dryness.

Sexual Exploration
Thoughts on the difficulty of exploring new sexual possibilities without comparing yourself unfavourably to others.

What Is an Orgasm?
What is orgasm, and how is it defined by science and culture? Better than single definitions are multi-dimensional explanations of orgasm.

Unexpected Orgasms
There are several types of orgasms that fall outside of standard textbook descriptions of an orgasm in terms of when, where, and how they occur. These orgasms can be considered unexpected orgasms.

Penis Size
Penis size may be the biggest source of worry for men. Learn the facts about average penis size, does penis size matter, the trouble with comparing penis size, and whether or not you can do anything to enlarge your penis.

Arousal, Orgasm and Breastfeeding
Many women experience arousal and even orgasm while breastfeeding. This is the result of the hormone oxytocin and is a completely healthy response.

Breastfeeding and Sexuality
Breastfeeding can have a variety of impacts on a womans sexuality. Research shows that the impact can be varied, but that most women consider it important for sex to resume shortly after having a baby.

Male Genitalia 101
A guided tour of the basic parts of male genitalia including the penis, scrotum, prostate gland, frenulum, perineum, and anus.

Physical Changes Associated with Sex and Aging
Discussion of how our bodies may change as we age, and the impact these changes can have on our sexuality.

All About Kegel Exercises
Answers to commonly asked questions about Kegel exercises, including what are Kegel exercises, why do Kegel exercises, and instructions on how to do Kegel exercises for men and for women.

Sex and Aging
Resources and information about aging and sexuality, including how our bodies change as we age, how our thoughts and feelings change as we age, and places to find more information about sex and aging.

Average Penis Size
What does scientific research have to say about average penis size? Penis size is measured in terms of both average length and girth of a flaccid penis and average length and girth of an erect penis. There are many problems with determining what the average penis size is.

Does Penis Size Matter?
Does penis size matter? Research on the importance of penis size to men and women.

Treatments for Vaginal Dryness
Describes different options for treating vaginal dryness.

Causes Vaginal Dryness
Describes the most common causes of vaginal dryness, with links to more information on medications that may cause vaginal dryness, and treatment options for vaginal dryness.

Penis Anatomy
An overview of the various parts of the penis, including the shaft, glans, frenulum, foreskin, and the internal anatomy of the penis.

Vaginal Rejuvenation
Explains what vaginal rejuvenation is, why people elect to have vaginal rejuvenation, how common it is, and the impact of vaginal rejuvenation on sexual functioning.

1 | 2