People who regularly have penile-vaginal intercourse have lower blood pressure than those who do not.

The more a man ejaculates, the lower his risk of getting prostate cancer. One study showed that men who have had more than 20 sexual partners in their lifetime are up to 28% less likely to get prostate cancer.

Oxytocin, the hormone responsible for creating feelings of love, is elevated in men after sex. With elevated levels of oxytocin, studies have shown that men are less likely to want to stray from their partners. So, sex literally drives men to be more committed to a relationship.

Men who have sex regularly are 45% less likely to develop life-threatening heart conditions.

Orgasms increase blood flow to all parts of the brain, and researchers say they’re better mental exercise than a crossword.

Vaginal stimulation has been found to block chronic back pain, leg pain, and even headaches. The surge of hormones is also linked to pain relief. "A study conducted at the Headache Clinic at Southern Illinois University found that half of female migraine sufferers reported relief after climaxing," reports Women's Health Magazine.

Sex is considered moderate exercise and burns four calories per minute for men and three per minute for women. It's the equivalent of playing double's tennis or walking uphill.

According to Dr Jennie Leslie, sex can be used to relieve period symptoms. Muscle contractions that occur during climax relieve tension in the muscles of the uterus. Meaning lighter, shorter periods.

Sex could prevent the common cold. It boosts the body’s levels of an antibody called immunoglobulin A, which can protect you from colds and flu.

Sex releases DHEA, a natural steroid that keeps you looking young. Studies have found that couples who have sex at least three times a week look more than 10 years younger than those who do not.

Dr Debby Herbenick found that morning sex boosts your mood and immune system for the rest of the day - better than a cup of coffee ever would.

One study found that for hours after an orgasm, a woman’s gait changes into one that is taller and more confident than normal.

Studies have determined that regular sex is good for your skin. Dr. Elizabeth Tanzi, co-director of the Washington Institute of Dermatologic Laser Surgery in Washington, DC, told Lifestyle Mirror that "Regular sex increases blood flow and decreases stress hormones in the body, and those stress hormones wreak havoc on the skin."