Cardiovascular fitness may predict the odds of a future heart attack in men and women with no apparent signs of heart disease, a large study suggests. Researchers found that of more than 26,000 adults with no symptoms of heart disease, those who showed the greatest endurance on exercise tests had the lowest risk of suffering a heart attack or stroke over the next 10 years.
Men with the highest fitness levels were 31 percent less likely than their least-fit counterparts to have a non-fatal heart attack or stroke, or to require an invasive procedure for heart artery blockages. The risk for men with moderate fitness levels fell between the highest and lowest fitness groups. A similar pattern emerged among women, the study authors report in the American Journal of Epidemiology.
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