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职场偷情 , A7 ^3 e8 q: Z/ j Q; n5 K/ C / ]" \: Y' h9 F5 G( z 2 N8 z$ K+ O$ w6 @Adulterers beware... it could raise your risk of heart attack 23rd March 2011' T3 |# D7 r. I8 ~8 P
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Having a fling or one-night stand is already a risky business. But now there is another reason for adulterers to worry. * o8 \! O% T# W2 p & Y7 N& X {! G5 d, U2 YThey are probably more at risk of having a heart attack. $ h! Z$ ]: i: W( W5 t/ Y4 ?7 C9 `* J# }
Occasional sexual activity is much more likely to cause a heart attack than regular sex, researchers have found. ; K' } \* M3 x( z/ d. ^* H 4 j& h f6 q7 _- q! u- x. z. LThe short-term risk of having a heart attack increases almost three-fold among those who rarely make love. 3 q, [3 V, I- e- F/ z4 c2 R8 t 2 y T) B6 A5 _Those who have sex more often reduce the risk of it causing a heart attack – which means happily married couples could have the advantage.9 L0 r9 y: g) @; B, t& o" @
9 H7 l V0 r* g0 k- T! w+ OA 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. 1 N" p9 ?; o4 f. M, I ; I: p) G/ u: N4 i& U9 U' X4 q" _# hOverall, there is a 3.5 times higher risk of such activity triggering a heart attack. 2 Y2 p L: y0 P' u o2 T' { + ]" @/ A6 Z. Y+ QThe risk after ‘episodic’ sexual activity – the kind associated with affairs and one-night stands – is 2.7 times higher.. n" H8 i5 @: H
4 A: h- ?% a7 ?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.7 V. X* M( A/ Z7 v7 I6 d. u
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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.2 x, L$ _1 `+ `/ w1 v8 t6 C' s: j! `
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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. # q" E3 s% e6 u4 _$ b1 k8 U* g4 _( J* W3 m1 L3 I* X; Q
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.: w( s3 W O% ~9 N8 _1 x
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The higher risk during activity is then offset by a lower ‘everyday’ background risk for people who are fitter because they are more active.& y) K$ X; z6 K0 v
3 I+ f1 z" H Q5 m5 O3 e; lAmy 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 j$ Z3 w8 X! q: ^6 ? L" T* F) |1 k! ]8 r( X; N" u i3 e' O' z3 P9 w
'The study shows sex can act as a trigger, but this doesn’t change our viewpoint on the health benefits of physical activity. & E7 N( B7 H; d# H9 G6 r) |1 r) H2 R# W* E- P8 y
‘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.) m W" t L; |* h L$ w( ?+ n( I" c w
* L' M7 m3 a7 R4 ~'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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