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Robust midlife cardiovascular (CV) fitness is associated with lower cardiovascular-related mortality, but what about morbidity? Researchers assessed relations between fitness and several chronic conditions (ischemic heart disease, congestive heart failure, stroke, diabetes mellitus, chronic obstructive pulmonary disease, chronic kidney disease, Alzheimer disease, and lung or colon cancer) in older individuals by linking a preventive medicine registry to Medicare data. About 19,000 participants (mean age at entry, 49; 79% men) received full baseline fitness and medical assessments and were stratified into five quintiles of fitness. Most participants had relatively favorable CV risk profiles at entry.
During a median 26-year follow-up, partici…