Few hours of exercise per week can protect heart with men needing more activity than women a study found.
Women benefit mroe from sport than men when it comes to heart health a new research has found.

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Women who exercise for around four hours per week can reduce their danger of developing heat disease by 30 per cent on average.
Men need more than twice as much exercise almost nine hours per week to see same benefits according to study which was publish in Nature Cardiovascular Research Journal.
Coronary heart disease causes the heart vessels to constrict or calcify leading the heart to be less well supplied with blood.

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Dangers included unhealthy diet lack of exercise and smoking.
Exercise can confer health benefits even low levels the study found.
About 2,5 hours of moderate to vigorous exercise per week enough to reduce risk of coronary heart disease by 22 per cent among women and 17 per cent among men.