, O1 `2 w- m( ?1 W0 f- V! |职场偷情 ( @$ E% D- i5 O# L/ K! _2 E/ a . u. I/ l% v9 N2 K9 q! P$ f) `# f6 e4 m# E: J
Adulterers beware... it could raise your risk of heart attack 23rd March 2011 # e" d1 D- w. n) _8 V, D7 A+ ?2 k r$ t2 {( ]
Having a fling or one-night stand is already a risky business. But now there is another reason for adulterers to worry. / K7 C! c# {+ v6 t2 q8 X! N8 @0 M" D; c: m0 J
They are probably more at risk of having a heart attack. + B1 Z% U, w, ?2 N9 B; @% p0 F& S8 }2 Y9 m+ E" e$ Y6 f2 j/ M
Occasional sexual activity is much more likely to cause a heart attack than regular sex, researchers have found. ! I9 g6 g1 h# _) q' j' q% Y% }3 C : K# m$ T. T. `3 rThe short-term risk of having a heart attack increases almost three-fold among those who rarely make love. ! G T9 M2 F" ?2 g0 F# T8 H* P# W! C. e2 n1 c0 |
Those who have sex more often reduce the risk of it causing a heart attack – which means happily married couples could have the advantage.7 l/ o* f- m* p+ y n
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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.' ~3 W5 R1 u) {9 y
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Overall, there is a 3.5 times higher risk of such activity triggering a heart attack. 6 A& Q% R7 e1 n: g' q * s y4 J- e6 U* wThe risk after ‘episodic’ sexual activity – the kind associated with affairs and one-night stands – is 2.7 times higher. / Q) u) b. K; B' e ! H& \7 o2 s! u* y( m0 L. \# |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.% Q2 {: s+ G. g4 n
, |2 w) t: ~2 k% B$ `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. 3 N2 h/ x; A ?4 ]; W) W( p4 L; b( Q% p8 v$ [" Y5 V; t' w, r+ N/ N
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.# w! N4 u- Q+ u& B) H( }' ]/ Z9 \
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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. 7 m9 j8 Z* T3 ] ! f' s+ N; B2 J7 s( x& w( qThe higher risk during activity is then offset by a lower ‘everyday’ background risk for people who are fitter because they are more active. , X& ]; A2 Z. `5 ~( G/ ?' g: t) S0 H: t& M6 P
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.: G, i/ |, z, T* [" C
# e B$ E' p) ?0 Z7 ]! o/ y'The study shows sex can act as a trigger, but this doesn’t change our viewpoint on the health benefits of physical activity. 9 [. Q1 D5 U! }% E9 R ; Q0 y; o7 @- w" ]' T; y; |1 s‘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.1 N) c/ |0 D! _6 X* V
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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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