Latest Research: Move More to Live Longer

If you want to live longer, move more and sit less. That’s the take home message from a team of US researchers who found that replacing just 30 minutes of sedentary time with light activity can reduce your risk of death by 20%.  Up this to moderate-to-vigorous activity and you can halve your risk of dying.

The researchers studied more than 3000 men and women aged 50 to 79 years who were taking part in the US National Health and Nutrition Examination Survey. They measured activity levels using an accelerometer (a sensitive activity tracker) and looked at the association with activity levels and mortality.

Light activity was defined as 100 to 2019 counts per minute and moderate-to-vigorous activity as more than 2019 counts per minute on the accelerometer.

They were divided into three groups based on activity levels, and after accounting for other factors that might affect mortality, those with the highest levels of activity were found to have one-fifth the risk of death of those who were least active.  Those in the middle had one-third the risk of death compared with the least active group.

They also found that replacing just 30 minutes of sedentary time with light or moderate-to-vigorous activity could reduce mortality by 20-51%.

Another good reason to get moving!


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Fishman et al. Association between Objectively Measured Physical Activity and Mortality in NHANES. Medicine & Science in Sports & Exercise: Published Ahead-of-Print February 5th 2016.

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