Dr Robert Clarke (University of Oxford, UK) and colleagues report their findings online September 17, 2009 in BMJ. And when they used more extreme categorization of risk factors, including body-mass index (BMI), diabetes mellitus/glucose intolerance, and employment grade, life expectancy differed by up to 15 years.
Clarke says there has been uncertainty about the limits of life expectancy and the relevance of cardiovascular risk factors for its prediction. "What is unique about this study is the prolonged follow-up; it enables us to put a figure on the life-limiting effects of these risk factors," he told heartwire.
(image credit: Flickr user Thomas Hawk)
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