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职场偷情* ]/ e( N+ m% e& W; {. R4 U
* d8 i( v F( K) ? 2 T* a7 M- v4 u% ~Adulterers beware... it could raise your risk of heart attack 23rd March 2011* I* U9 g+ G$ [
* u, \/ E8 W: f" e9 K1 N0 i, F5 yHaving a fling or one-night stand is already a risky business. But now there is another reason for adulterers to worry.. b7 `) l& M7 e7 W; n
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They are probably more at risk of having a heart attack. / N( i4 K% ^ ?3 U- W0 u! e5 y" ^ \' ?3 N% F
Occasional sexual activity is much more likely to cause a heart attack than regular sex, researchers have found. , Y+ u6 b$ @; N8 ~% F" F! m! c5 g6 S! d3 w
The short-term risk of having a heart attack increases almost three-fold among those who rarely make love. ' J* q( d! h6 F: V8 j' d. z; U% s, f) A/ _0 h1 N
Those who have sex more often reduce the risk of it causing a heart attack – which means happily married couples could have the advantage.$ } k% o/ Q, s* l" H' j6 f
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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.& f: L6 X2 d2 c' j' `7 a
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Overall, there is a 3.5 times higher risk of such activity triggering a heart attack.) @8 X4 j8 ?0 W+ J2 Z1 k$ P
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The risk after ‘episodic’ sexual activity – the kind associated with affairs and one-night stands – is 2.7 times higher.0 c0 @; r7 O- f' N$ N) x2 H0 r) 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.5 S8 y; D. D2 {6 m6 ]/ {
( c5 |. R \3 z& J2 S+ c5 @0 W vThe 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. ; e* M% f' w7 g0 m" _" I3 Z0 k9 I: i9 J/ E' q
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. , M' K$ m+ T$ O9 o+ t# ~) q \" I) K9 t9 G8 V' h
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. - F3 Y# k. r# m' p+ {( D# f0 v) x9 s8 H; [: {. O8 O
The higher risk during activity is then offset by a lower ‘everyday’ background risk for people who are fitter because they are more active. * b$ d; O# {& o) J1 g) Q 4 k- m9 F3 F" U8 T, IAmy 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.* e6 O6 T4 r% e7 h2 T- J6 h
9 x& G9 ]5 j: ]% B'The study shows sex can act as a trigger, but this doesn’t change our viewpoint on the health benefits of physical activity.0 B/ _" I6 Q+ d9 |3 }' Y1 B
6 ?% _% v. ~( g8 L) f‘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.) K8 N; x, w) E* H; Z
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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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