（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。 3 \, D1 V B" O( d5 g1 M& \' P" `! ?% b
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。 * ?) n# A: [! [; Q7 s' d- A3 F. s" y" R" P
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。' \3 r b" u+ P9 K) `
5 l6 g! y7 Z) d! A( }4 j2 C( g 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。# P0 n4 w% X3 m, a: D; f
5 P: L" T* ?- k7 l6 U2 H1 J3 U 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。- N0 T, [- y) O; s5 Y$ j
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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。; p3 g$ }& K0 I
3 f0 G! O! u' c6 { y 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。 M% ?4 D' K. s' A$ V1 R
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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。* c4 e( D! U* n7 t. w. e1 ~
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% \! f. p- m0 ^2 l& ]8 y职场偷情. p4 G0 M1 A* k" G6 ]
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Adulterers beware... it could raise your risk of heart attack 23rd March 2011 : ~$ f; h1 m* x9 q9 I$ a( B8 M |5 G! f9 ~3 E: F* s
Having a fling or one-night stand is already a risky business. But now there is another reason for adulterers to worry.- @" @7 [0 f: ~9 ]+ U+ U0 K8 g
+ S- l# L- M4 ?( L# B0 C. n* Y( zThey are probably more at risk of having a heart attack. ! v( W" [$ G* n6 p + v2 S4 s5 c0 M5 \7 V, ~. K0 DOccasional sexual activity is much more likely to cause a heart attack than regular sex, researchers have found. ! t+ j6 j2 P4 m 3 e" e. e% s) _The short-term risk of having a heart attack increases almost three-fold among those who rarely make love.3 t7 P, B; i3 B" i# Z
& f! P; |+ R4 hThose who have sex more often reduce the risk of it causing a heart attack – which means happily married couples could have the advantage.8 U: R4 ] K8 l) d* \
f: y& u5 _" \$ q$ I+ h6 xA 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. 6 z9 D2 j7 S; H& W. x% \5 E2 L) v* O& x' \$ J
Overall, there is a 3.5 times higher risk of such activity triggering a heart attack.7 w9 c* b) S( g( G
5 |, s% ?3 J; V! N1 K) ?4 q- }The risk after ‘episodic’ sexual activity – the kind associated with affairs and one-night stands – is 2.7 times higher.( g o E+ N. N+ a) c5 E6 e; W9 R
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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. . i8 S7 g% X6 P: z0 L- K# r# ]- Y2 }3 m6 d8 C2 A6 G
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.6 Y% x Y0 X( e0 n+ N5 y& N" F
8 E9 J$ `) J, [# P( Q- v9 X& aThe 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. E% @& ?1 X) X7 E; x: {5 v; H. m: e3 p9 E. C3 c& B, t
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. % r' y5 y# @9 ]* @' N, m5 w6 W: {, ~# [" E. z2 L: V
The higher risk during activity is then offset by a lower ‘everyday’ background risk for people who are fitter because they are more active.: k0 H2 P+ j p& U5 M8 g) Z2 f
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Amy 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.0 O, w$ r8 I& m% w/ ]. O$ Y
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'The study shows sex can act as a trigger, but this doesn’t change our viewpoint on the health benefits of physical activity. - O( U2 g9 ~1 d( T f- G 3 l s) {; F& y7 b9 D‘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. 6 t' G3 s. l- ^ Y- S! V: i / T7 R1 T3 \* Y1 e' S& v9 P) X'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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