A study conducted in the USA UU He showed that replacing 30 minutes of sedentary time per day with the same period of high-intensity activity reduces the risk of premature death by 35%.
But even short sedentary episodes divided by activity still carry a mortality risk and are not a healthy alternative to prolonged sedentary periods.
The Columbia University research that involved 8,000 adults aged 45 and older showed that the total time spent sitting had to be reduced to reduce the risk of premature death.
If half an hour of low-intensity activity, such as walking, was used to replace the 30 minutes of sitting, the risk of premature death was reduced by only 17%.
Participants were asked to use an activity meter for four and seven days between 2009 and 2013. On average, the time they spent sedentary while they were awake reached 694 minutes or 11.5 hours per day.
The potential effects of replacing sitting time with shorter episodes or physical activity on mortality: a national cohort study, published in the American Journal of Epidemiology, concluded that physical activity of any intensity is necessary to mitigate the risks of Mortality associated with sedentary time.
Speaking to The Guardian, the study co-author and cardiovascular health expert at Columbia University said something as simple as a “walk down the aisle” was enough to help reduce the risk of premature death, but it has to be accumulated enough activity throughout the day to make a difference in health.
“Sitting down is harmful and will increase your risk [of death], no matter how you feel, whether in short or long periods,” said Diaz.
Another study conducted last year by Deakin University in Australia found that many people mistakenly believe that having an active lifestyle outside the workplace denies any risk associated with the prolongation of sitting at work.
These workers, whom Deakin University called “active couch potatoes,” still need to interrupt session periods with exercise to reduce the risk of health complications.
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