They were followed until their death or the conclusion of the study on December 31, 2011 (mean, 6.5 years; standard deviation, 1.6 years). Sedentary living seems to take its greatest effect among the frailest older adults , but regular exercise may reduce those effects , a study published online August 2013 in CMAJ has suggested .
Sedentary living seems to take its greatest effect among the frailest older adults , but regular exercise may reduce those effects , a study published online August 2013 in CMAJ has suggested .