8 K1 Z" H( Y# D- z- C1 C职场偷情 " R. P$ N, J1 }4 F# R 5 F0 G. h( g) x. Z% S7 j d. N. N' V3 Q
Adulterers beware... it could raise your risk of heart attack 23rd March 20116 \) r. {, w! q) q3 o
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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. * s7 U. ?( i0 \4 o: g2 Y2 Q' W5 A 4 h% m7 N* Q) y: v: d# ^3 MThey are probably more at risk of having a heart attack.- b# |- y4 g" S
5 l( f! E, R& DOccasional sexual activity is much more likely to cause a heart attack than regular sex, researchers have found. ' | J+ ` ~1 Q' y 6 b9 C/ S% _: A6 LThe short-term risk of having a heart attack increases almost three-fold among those who rarely make love. - G4 W% S6 `' V$ e4 A A( ? 2 ]% P& `8 x) ^3 i; VThose who have sex more often reduce the risk of it causing a heart attack – which means happily married couples could have the advantage. o6 R, z( b. C) W% A/ X4 k& X
$ }, E7 Y1 J4 |( SA 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. 9 d/ b2 ]2 }0 i7 F3 c+ X* G5 W# ]- Y5 g4 p
Overall, there is a 3.5 times higher risk of such activity triggering a heart attack.! _" _; k2 a/ Z* o/ E
9 s# Y% c/ n$ A3 G3 M3 PThe risk after ‘episodic’ sexual activity – the kind associated with affairs and one-night stands – is 2.7 times higher.9 u) w/ f# D6 I8 o9 O" u3 ^" W: m
" `5 H$ A7 B3 b6 _+ lBut 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. . Q) N9 i) }. `/ b9 L1 d; S8 |' h) ~! R4 J; u& K
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.$ x- k1 Q1 D4 |8 i) t2 O
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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. 9 q8 G4 G7 X+ _+ C7 b P 4 i1 r- M+ N; k% N0 @' @' ]- PLike 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.$ l4 y4 ?. d7 q c! \: a1 H% w
* I- G0 \) C5 f, _0 \The higher risk during activity is then offset by a lower ‘everyday’ background risk for people who are fitter because they are more active.( l( ^' i( u0 }5 E1 l- i I/ n
; ]! k' y0 c+ ]1 v& x1 y: H% H5 uAmy 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 }2 x6 r; y- I7 a! F9 U) ~0 h) d1 ~7 ]( |: q0 x
'The study shows sex can act as a trigger, but this doesn’t change our viewpoint on the health benefits of physical activity.4 x. Q0 @6 q" Z8 h
1 u. k$ p, N% m' z+ T0 u‘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.+ Q8 O1 E* [! C( i
2 P0 Y# Z( J4 f8 ]'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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