The highest age-adjusted all-cause death rate was observed in men who were unfit at both examination the lowest death rate was in men who were physically fit at both examination. Men who improved from unfit to fit between the first and subsequent examination had an age-adjusted death .This is a reduction in mortality risk of 44% (95% confidence interval, 25% to 59%) relative to men who remained unit at both examination. Improvement in fitness was associated wit lower death rates after adjusting for age,health status, and other risk between examination, there was a corresponding 7.9% decrease in risk of mortality. Similar results were seen when the group was stratified by health status, and for cardiovascular disease mortality