Regular physical activity may be more beneficial for men than post-menopausal women, a study has suggested.
Researchers at Loughborough University examined the effects of regular exercise training on the blood vessels of 12 men and post-menopausal women. Blood pressure and arterial stiffness were assessed before and one hour after a brisk walk.
Their preliminary findings suggest that arterial stiffness, an independent risk factor for heart disease, is higher in women compared with age-matched men.
A single bout of brisk walking improved arterial stiffness and blood pressure in both groups, however, arterial stiffness remained higher in women. Interestingly, the improvements in arterial stiffness were related to changes in blood pressure in men only, suggesting possible sex-differences in how the blood vessels adapt and respond to exercise.
Research has shown that regular physical activity helps reduce the stiffening of the arteries, which in turn lowers a person’s risk of developing heart or circulatory disease. However, the blood vessels of men and women appear to adapt differently to regular exercise, with post-menopausal women demonstrating less exercise-associated benefits than men.
The researchers are now looking at whether daily folic acid supplements could help postmenopausal women to reduce their risk by relaxing the blood vessels and as such lowering arterial stiffness and reducing strain on the heart.
“Regular physical activity is associated with lower risk of cardiovascular disease. However, regular exercise does not seem to benefit the blood vessels of post-menopausal women as much as it does their male counterparts. If we are to help women to decrease their risk of heart disease we need to consider alternative strategies that may enable these women to maximise their benefits from engaging in regular exercise,” said Jen Craig.
The study was presented at the British Cardiovascular Society conference in Manchester.
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