（中央社台北23日电）纵慾寻欢或搞一夜情原本就有危险，如今想偷吃的人又多了个担心的原因，就是心脏病发作的风险可能比较大。8 `3 ~' @+ Z: V% Z) S" b
: h0 l* r {6 m$ h. T2 u; P 英国「每日邮报」（Daily Mail）报导，研究人员发现，偶发性行为比规律性行为容易导致心脏病发作。, W' ^- _# F' m3 E+ u. Q/ R
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报导指出，对不常做爱的人而言，因此心脏病发作的短期风险恐怕增加近乎3倍。较常有性行为的人则可减低引发心脏病的危险，这代表幸福的夫妻可能比较占优势。* H7 I6 ?1 V( n( G
: v9 t: a9 L! X' M1 B; r8 B; _: T0 C 研究人员审查14篇关于心脏病发的研究后发现，若从事任何形式的「偶发」体能活动，也就是个人很少做的事情时，心脏会处于受压力的状态。# o7 q% @" s8 g* V/ i
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报导說，一般而言，从事这种活动时引发心脏病的风险，为一般活动的3.5倍。而在进行「偶发的」性行为，像是外遇偷吃或搞一夜情后，风险则达2.7倍。/ s8 h" b0 e* c- x( k% t3 b9 Z1 c
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「美国医学会期刊」（Journal of the AmericanMedical Association）刊出的评论报告說，不论是在性行为或体能活动方面越活跃的人，心脏病发的风险就越低。' u. L6 ]+ F; _; t. h
8 W! d6 k' V: r# x 美国塔弗兹大学医学中心（Tufts Medical Center）及哈佛大学公共卫生学院（Harvard School ofPublic Health）的研究人员强调，实际因性爱引起心脏病发的人数并不多。8 ~: w) y! e0 g6 T
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报导說，性爱就像任何的体能活动，会增加心跳速率及血压，代表心脏必须更卖力运作。因此，性爱引发心脏毛病的风险，与相同强度体能活动引发心脏病的风险是一样的。. l. V" [ |- _9 s
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Adulterers beware... it could raise your risk of heart attack 23rd March 2011 7 ^0 G( z1 I% N/ R2 }% U( ~" R1 c' f- T5 `
Having a fling or one-night stand is already a risky business. But now there is another reason for adulterers to worry.) ]) j, H9 I& D1 D/ |
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They are probably more at risk of having a heart attack.* @3 `% I0 l5 g, x2 B% [! _
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Occasional sexual activity is much more likely to cause a heart attack than regular sex, researchers have found. 0 _8 {( ?. d) w- x8 U, C6 ~$ [8 v: T; Z v1 M
The short-term risk of having a heart attack increases almost three-fold among those who rarely make love.1 z5 J6 {$ @1 C- {# F% O
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Those who have sex more often reduce the risk of it causing a heart attack – which means happily married couples could have the advantage. 2 p2 \! [* A9 u$ m- g d 4 c3 \9 e9 U8 a9 Y: AA review of 14 studies of heart attacks found the heart is under strain during any form of ‘episodic’ physical activity – something an individual only does rarely. 0 _; h- F; R& I; ~0 d8 E7 @; v$ O3 e
Overall, there is a 3.5 times higher risk of such activity triggering a heart attack.. I- j3 w! o' k# s7 v( a
$ B/ Z. |9 b0 ?( J7 m2 h2 Z9 HThe risk after ‘episodic’ sexual activity – the kind associated with affairs and one-night stands – is 2.7 times higher.. e; p- j5 r0 D/ L/ l
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But the more active an individual is, either sexually or physically, the lower the risk falls, said the review in the Journal of the American Medical Association.% b, W' L/ B1 W. D/ w4 @
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The relative risk of heart attack caused by a burst of activity falls by around 45 per cent for each additional time a person indulges in it a week. The risk of sudden cardiac death also falls by 30 per cent.% d" s8 K+ @8 }: l0 a+ \
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The researchers, from the Tufts Medical Centre and Harvard School of Public Health, stress that the number of heart attacks actually caused by sex will be low.; X# Y8 h/ k( h( e7 b
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Like any physical activity, sex can increase the heart rate and blood pressure, which means the heart has to work harder. As a result, sex carries the same risk of triggering heart trouble as equally energetic forms of physical activity. : a# p: d9 q/ R! S+ J+ R. `! t7 I) s# \. H7 n
The higher risk during activity is then offset by a lower ‘everyday’ background risk for people who are fitter because they are more active. * h+ I/ F7 r: s* E% B ' A6 k7 a( C% w" KAmy Thompson, senior cardiac nurse at the British Heart Foundation, said: ‘It’s important to distinguish between what causes a heart attack, and what potentially triggers it. * x: P3 N [, g/ a + _5 ~/ p* u& v+ P'The study shows sex can act as a trigger, but this doesn’t change our viewpoint on the health benefits of physical activity. 9 ?4 |' r+ |( B4 h$ f) B0 `" m2 @ ( Y6 G/ X: x e. T, {- _+ r6 g‘To help keep your heart healthy you should aim to do 30 minutes of moderate-intensity activity, such as a brisk walk or gardening, at least five times a week.. \9 r; C M/ H5 w
* }- {0 q' F* u3 `9 @6 L'Sex places no more stress on the heart than climbing a couple of flights of stairs, so people with or without heart disease need not avoid it.’
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