Men who have sex at least twice a week can almost halve their risk of heart disease, according to new research. Published: 10:46 AM GMT 08 Jan 2010
It shows men who indulge in regular lovemaking are up to 45 per cent less likely to develop life-threatening heart conditions than men who have sex once a month or less.
The study, of over 1,000 men, shows sex appears to have a protective effect on the male heart but did not examine whether women benefit too.
Now the American researchers who carried out the investigation are calling for doctors to screen men for sexual activity when assessing their risk of heart disease.
Every year, around 270,000 people in Britain suffer a heart attack, and coronary disease remains Britains biggest killer.
Although sex has long been regarded as good for physical and mental health, there has been little scientific evidence to show the full benefits that frequent intercourse can have on major illnesses such as heart disease.
In the latest study, scientists at the New England Research Institute in Massachusetts, tracked the sexual activity of men aged between 40 and 70 who were taking part in a long-term project called the Massachusetts Male Ageing Study, which began back in 1987.
At regular points over a 16-year period, each man was quizzed on how often they had sex and then checked for signs of heart disease.
Researchers took into account other risk factors, such as their age, weight, blood pressure and cholesterol levels.
The results, published in the American Journal of Cardiology, showed men who made love at least twice a week were much less likely to have heart disease than those whose sexual encounters were limited to once a month or less.
In a report on their findings, researchers said the benefits of sex could be due to both the physical and emotional effects on the body.
Men with the desire for frequent sexual activity and who are able to engage in it are likely to be healthier.
But sex in some forms has a physical activity component that might directly serve to protect cardiovascular health.
Also, men who have frequent sex might be more likely to be in a supportive intimate relationship and this might improve health through stress reduction and social support.
An earlier study at the National Cancer Institute in the US showed men who ejaculated through sex or masturbation at least five times a week were much less likely to get prostate cancer.
And sex once or twice a week in winter can boost the immune system and reduce the chances of catching colds and flu, according to researchers at Wilkes University, Pennsylvania.
They found it boosted levels of immunoglobulin A or IGA which binds to organisms that invade the body and then activates the immune system to destroy them.
Regular sex can even boost a woman’s sense of smell by triggering the release of a hormone called prolactin, according to scientists at Calgary University in Canada.
This may be a mechanism to help mums bond with their new babies.
Source: Telegraph
中年男「周炒兩飯」 心臟病率減半
【聯合報╱編譯夏嘉玲／報導】
2010.01.10 10:03 am
美國一項長期研究顯示，經常「炒飯」對中老年男性心臟健康有益，中老年男性每星期至少「嘿咻」兩次者，罹患心臟病的機率比久久才「炒」一次者幾乎低了一半。
英國每日郵報報導，美國麻州新英格蘭研究所在16年間追蹤千餘名40 到70歲男性的性生活，並檢查他們有無心臟病徵兆，發現這些男性每星期至少「嘿咻」兩次者，和一個月或更久才「炒」一次者相較，心臟病機率大減45%。論文已發表在《美國心臟科醫學期刊》。
研究人員認為，經常享受性生活有助男性減少壓力、獲得社交支持，身心都獲益。此研究未針對女性，無從發現性生活是否有益女性。
研究人員建議醫師，未來評估中老年男性有無心臟病徵兆時，除了考量年齡、體重、血壓和膽固醇指數高低等指標，也可用患者性生活活躍與否評估。
美國國家癌症研究所已發現，男性每星期至少射精5次，罹患攝護腺癌的風險會大減。賓州威爾克斯（Wilkes）大學則發現，冬天一周「炒飯」一兩次能提升免疫力，減少罹患感冒和流行性感冒的風險。
在英國，每年有多達27萬人心臟病發作，冠狀動脈心臟病是英國人的頭號殺手。
【2010/01/10 聯合報】
