9 r: n/ u; {- n" W8 z( V职场偷情 8 |7 p- Q; a, ~+ E( E/ t3 [ 8 e) j, p4 j: Z! G! X6 N7 o/ _) ~. O8 c, Q' p# y! q
Adulterers beware... it could raise your risk of heart attack 23rd March 2011 1 }" s3 y6 J' e; x# f5 i& ]/ ~ 3 |" D, n9 p: k. }& @) G7 UHaving a fling or one-night stand is already a risky business. But now there is another reason for adulterers to worry.' m1 T( |& `) {# k6 p2 |1 S- Q
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They are probably more at risk of having a heart attack. : N3 o. y0 V" k( j' } 7 K, E/ l; r6 zOccasional sexual activity is much more likely to cause a heart attack than regular sex, researchers have found. 3 V3 O6 |7 w7 X, k3 G3 W# o9 w1 X; w) w# g8 N1 F6 c
The short-term risk of having a heart attack increases almost three-fold among those who rarely make love.! M+ y( L8 h3 ^" P, l
5 c8 `" |, g; N& o0 iThose who have sex more often reduce the risk of it causing a heart attack – which means happily married couples could have the advantage. 0 p5 \8 j6 e; x" T9 N' c# \ I$ k4 H, d" e% ], G# I
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. ) H4 {! O3 @/ V' U, V2 t% _; H) }
Overall, there is a 3.5 times higher risk of such activity triggering a heart attack.8 ~0 C: M0 Y$ C! x
/ W; a& c/ I' @/ _7 C3 a, qThe risk after ‘episodic’ sexual activity – the kind associated with affairs and one-night stands – is 2.7 times higher.; U+ X! h0 r; D, D7 G% \1 A
0 _0 N' [+ S" C- W" c) QBut 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.- @8 o& k; Y! j
* m8 u, U6 I3 a; f5 ^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. 7 j, [3 s3 T2 u, E3 N * F* R) ]! F, E6 u% ~9 Q) J% a, VThe 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. 0 M$ G4 g0 d6 [" |& ^2 u0 H; V ~' `+ d6 Z/ h8 _
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. $ \) S0 I! P+ N- [ 2 I2 x( z1 }( C! W# b- SThe higher risk during activity is then offset by a lower ‘everyday’ background risk for people who are fitter because they are more active.( I2 U! Y$ C8 b. p9 p7 K% P
: v/ q5 g( ?3 B+ C' c7 n5 l5 J; oAmy 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.# e7 J( k6 M' O- f# i$ p
( b! {1 |" l$ u- X7 [' \8 q'The study shows sex can act as a trigger, but this doesn’t change our viewpoint on the health benefits of physical activity.3 x8 z3 `6 A/ h( s; i, z, t. J
" r7 i- E( \+ J( r# B; W‘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. " p4 {5 {" y# M% c1 i. H. `* B$ e6 T. m2 y8 w; D
'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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