Why good loving is good for you

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crumpled sheets sxc sxc Hormones released in orgasm  melatonin, oxytocin and vasopressin  are also all associated with sleep.

London - Having more sex could not only make us feel good, it could provide far-reaching health benefits. Unfortunately we are having less of it – on average we have sex fewer than five times a month, compared to six-and-a-half times 20 years ago, according to the National Survey of Sexual Attitudes and Lifestyles.

Yet studies have linked regular sexual activity to emotional well-being, reduced migraine pain and even a lower risk of prostate cancer.

A Canadian study last month found that half-an-hour of sexual activity could burn more calories than walking on a treadmill – the researchers claimed sexual activity could be considered significant exercise.

British Heart Foundation research has suggested that 30 minutes of daily sex is as good for you as walking the dog.

Indeed, research is now showing that sex provides a “triple-whammy” of benefits by combining a work-out for the heart and lungs, the release of hormones that could lower stress and the production of new brain cells. And – for women – the added plus is a toning effect on the muscles in the pelvic floor.

Graham Jackson, a consultant cardiologist and president of The Sexual Advice Association, says, “We’ve known for a long time that sex has health benefits, but it’s only in the past decade that the taboo has been lifted from sex research in Britain.”

 

 

HEART, LUNGS AND BRAIN BOOST

Increasingly doctors view sex as “an under-used resource in terms of physical and emotional well-being”, says Arun Ghosh, a private GP with a special interest in the health benefits of sex. “Plus, it’s not emphasised enough as a really good form of exercise.”

 

And it’s not just the heart and lungs that get a workout. Last week, scientists at the University of Maryland in the US discovered that middle-aged rats made more brain cells after mating.

The process, called neurogenesis, is thought to restore brain function lost through ageing. In particular, the benefits were seen in the hippocampus, the region of the brain where new memories are formed.

“A huge amount of brain stimulus occurs during intercourse,” comments Ghosh. “It’s why we feel so overtaken when we orgasm,” he says. ‘

But, says Simon Ridley, a consultant at the Alzheimer’s Research Council, “there’s as yet still no compelling evidence to support the idea that regular sex can help stave off dementia or cognitive decline in humans”.

However, there is no doubt that sex provides a substantial workout to women’s pelvic floor muscles. As Andrew Hextall, a consultant who specialises in genito-urinary medicine at Spire Bushey Hospital, London, explains, a stronger pelvic floor can help reduce the risk of prolapse of the womb, which affects half of women over 50.

And a stronger pelvic floor also reduces the risk of stress incontinence, which affects one in four women over 40.

“During intercourse, the muscles in a woman’s pelvic floor naturally contract and squeeze,” says Hextall. “This increases muscle tone in the area, as the pelvic floor is like any other muscle, it responds to use by getting stronger.”

Even if your sex sessions only last a short time it’s likely you would still get the effects, he says.

“The recommendation for exercises to strengthen the pelvic floor are to squeeze the pelvic floor only eight times at any one time,” he explains. 'It's likely that during sex you will be contracting your pelvic floor at least that many times, so there's no need for prolonged sex sessions to get these benefits.'“

 

IT LOWERS MEN’S CANCER RISK

The good news for men – for older men, anyway – is that regular sex may be linked to a lower risk of prostate cancer.

The researchers, who questioned 840 men about their sexual histories, found those who kept up a regular sex life in their 50s – ejaculating more than 10 times a month – were at a lower risk of prostate cancer, the most common form of cancer in British men. One theory is that if men don’t clear the sperm, it can be re-absorbed by the prostate gland.

 

A previous study from the National Cancer Institute in the US of more than 29 000 men found that those having the most orgasms had a third lower risk of prostate cancer.

However, the Nottingham University research, which was published in 2009 in The British Journal of Urology International, also found that ejaculating more than 20 times a month in their 20s and 30s could increase prostate cancer risk later in life.

This is possibly because higher levels of sex hormones in some men, which may be responsible for a high sex drive, may also be linked to the development of prostate cancer later.

 

IT’S EVEN GOOD FOR HEADACHES

 

A study published in the Archives of Sexual Behaviour found young women felt more depressed the longer they hadn’t had sex.

One theory is that vaginal absorption of hormones in semen such as prostaglandins, testosterone and luteinising hormone could help improve the mood of women, says Stuart Brody, professor of psychology specialising in sexual behaviour at the University of the West of Scotland. Orgasm also releases feel-good brain chemicals such as serotonin, adds Ghosh.

 

Research by Brody and his team has confirmed that sex is a stress reliever.

They studied a group of German adults and found those who had sex at least once over two weeks were better able to manage the stress of public speaking and recorded lower blood pressure in response to stressful situations.

Meanwhile, in women, orgasm might help a headache, killing the age-old excuse for abstaining.

“Orgasm is associated with an upsurge of blood flow from the brain which could reduce headache,” says Dr Ghosh.

One study of 83 women with migraine found that more than half experienced relief after orgasm. The research, published in the journal Headache in 2001, found that 30 percent reported some pain relief while 17.5 percent said it had in the past relieved their symptoms altogether.

Orgasm is also associated with a surge of the chemical oxytocin in men and women. This is often called the 'bonding' hormone because it induces feelings of fondness and affection.

“Anthropological research has found that for humans, quite aside from the pleasure we glean from sex, one of the main drivers behind our need for sexual activity is to bond with other humans,” says Ghosh.

 

“Regular sex stimulates the brain’s pleasure and reward system through the release of chemicals such as oxytocin and dopamine,” Ghosh explains. “It’s one thing that keeps us going back to our partners for more.”

 

KEEP GOING FOR 30 MINUTES

Jackson says sex could form a part of an overall, varied exercise regimen – if you can make it last long enough.

For most long-married couples, sex sessions last around 15 minutes rather than the 30 minutes achieved by the couples in the Canadian study.

 

Foreplay is equivalent in activity terms to running for a bus. “A typical game of tennis or squash is around 40 minutes of sustained cardiovascular activity, so to compare these to sex in fitness benefits you would need to perform your peak periods of sex for around the same amount of time,” says Jackson.

If you last 30 to 40 minutes “quite vigorously”, “you could get a good cardiovascular workout during sex”.

But a paper in the New England Journal of Medicine last year concluded the average bout of sexual activity was only six minutes, expending about 21 calories.

 

WHY MEN GET SLEEPY AFTERWARDS

Research in the journal Neuroscience and Behavioural Reviews in 2012 has explained the sleeping-pill like effect sex has on men.

Brain scans showed the pre-frontal cortex, the area associated with consciousness, alertness and mental activity, “switches off” in men after an orgasm.

Hormones released in orgasm – melatonin, oxytocin and vasopressin – are also all associated with sleep. – Daily Mail

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