/ u9 ], M+ I! t. u! j 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。 8 U7 H8 i6 n! W 8 B9 q2 N) p% |1 X( ^) D 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。- J D4 I, h [
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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。 S2 }! `) g- P' a/ ^0 q; D# t
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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。/ N2 j0 E3 A9 k* b4 ^$ ~
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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。) D8 A9 G& X" l+ h- J
8 e/ b5 z2 ^: A& |1 [. o8 }! m7 N 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。& F, U, u0 W) `9 z: Q
8 m; H2 ^5 G; Q4 Y3 a* i! B0 L 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。# A/ A4 f; [: K( s
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职场偷情 . Y1 @6 B" h# t" J, c0 a! s3 Q * b5 E" Q0 }' ?. D: @! |* r) Q1 f- Q( K
Adulterers beware... it could raise your risk of heart attack 23rd March 20116 W* j9 i' ^2 J. l Z$ S9 _
; S* c" y9 K; I. ]! \) V. f; G% ~. dHaving a fling or one-night stand is already a risky business. But now there is another reason for adulterers to worry. - U+ ^" E5 U R$ [) e: X- K- S+ _7 q. ^% a% b- H N( D3 b n
They are probably more at risk of having a heart attack.# j5 [% w# B& k( q, B! \2 e
/ H) k! _4 m+ tOccasional sexual activity is much more likely to cause a heart attack than regular sex, researchers have found. * l9 @% S& K- X8 m1 Y" n 5 P Y @6 ?# n! m6 OThe short-term risk of having a heart attack increases almost three-fold among those who rarely make love.7 D2 z! V7 C' X
3 [2 D! U4 }; o% n9 F1 UThose who have sex more often reduce the risk of it causing a heart attack – which means happily married couples could have the advantage. 4 V+ E2 k( i/ P' u: t+ Z: W# x
A 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. p/ f" s7 l: s" ^6 B 7 d/ t- t4 W1 ?9 H. SOverall, there is a 3.5 times higher risk of such activity triggering a heart attack.: T0 v0 l1 X* `% Z
7 g& F- c' K% O4 hThe risk after ‘episodic’ sexual activity – the kind associated with affairs and one-night stands – is 2.7 times higher.6 X; T8 s; g6 U
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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. 1 D: X8 ~, h, j5 l3 b5 N3 h + D& _; [' {1 r2 KThe 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." W) p" w- x9 T
8 j, U; A8 N2 `$ s& @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. 2 Y( n. @$ A2 M* R9 H7 M' G" a ( f7 @; y+ E* F! S8 h9 cLike 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. ) n/ X0 r9 N* w! d9 H : J% a: W# u) D2 ` w9 WThe higher risk during activity is then offset by a lower ‘everyday’ background risk for people who are fitter because they are more active.8 @6 @( G6 r. _9 @4 }- \
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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. 1 u6 h1 s( B; J$ c3 _) m7 E" u! m3 q! h0 ]1 n* t* |) w
'The study shows sex can act as a trigger, but this doesn’t change our viewpoint on the health benefits of physical activity. 6 T9 A: ~" J7 H+ ~# I J7 D* R- |% ]4 p+ F( ~, D: Q
‘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.( [! Y$ m0 {9 z2 Y7 M I* z6 D
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'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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