Your sex life

Nutrition expert Brennan Robertson looks at the history and science behind aphrodisiacs.

Erectile dysfunction (also known as male impotence) is the inability to achieve or sustain an erection of the penis that is sufficient for sexual intercourse. A 2004 report estimated that 2 to 3 million Canadian men have erectile difficulties. The good news is that there are ways to manage erectile dysfunction.

Get answers to common questions about erectile dysfunction, a male sexual problem that becomes more common as men reach midlife and beyond.

Explore the sexually and sensually responsive erogenous zones of the human body.

The risk of a heart attack from sex or orgasms is very low. For example: The risk of a heart attack in any given hour for a 50-year-old man at low risk of heart disease (e.g., without diabetes or previous angina) is one in one million. If he has been sexually active in the previous 2 hours, his risk of heart attack becomes 2 in one million.

Hormones have a significant impact on our levels of sexual desire. Learn more about testosterone, estrogen, and the sexual response.

Take a look at guidelines from the American Urological Association for the treatment of erectile dysfunction.

Find out some of the most common reasons women may experience pain during sexual intercourse.

You can't see them, feel them, or smell them, but they may have a huge influence on whom you find attractive.

Rapid ejaculation is the new term for premature ejaculation. Both are defined as the lack of ejaculatory control, or ejaculation occurring sooner than desired. The term "rapid" is preferred to avoid any demeaning connotation that "premature" has in this context. Studies suggest that the average time from penetration to ejaculation is around 2 minutes.

Restoring the sexual relationship after sexual dysfunction In conjunction with restoring the man's erections, there will likely need to be some adjustments in the relationship. This is because over the months or years the partners may have become accustomed to avoiding intimacy and sexual relations.

As more and more people are realizing, sex and romance don't stop after 60... or 70, 80, or 90. But how do you keep the passion blazing as time goes by?

You would think I'd feel comfortable writing about sex. After all I'm a middle-aged family doctor, married for over 30 years with grownup kids. But I find this subject a little embarrassing. I can understand why, even though a third of them have sexual problems, my patients seldom ask for help solving them.

Why do we humans press our lips together in a kiss?

The reasons that women may not be enjoying sex are numerous and often complex. Sexual experiences reflect the mingling of the mind and the body. What goes on in the mind is affected not only by what is going on sexually and nonsexually between the partners, but by everything that has gone on in the woman's life.

Falling in love is as much physical as emotional, so it's no surprise that the mind and body are affected when love is unrequited or a romance goes sour.