In other words, sitting is killing us.
Stand up for health
So what can we do about it? Health experts suggest we break up those many hours spent sitting with more hours spent standing.
The BBC and the University of Chester in the UK conducted a simple experiment with a small group of 10 volunteers who usually spent most of the day sitting. They were asked to stand for at least three hours a day. The researchers took measurements on days when the volunteers stood, and when they sat around. When they looked at the data there were some striking differences, the BBC reported on Oct. 16.
Blood glucose leveled off after a meal much quicker on the days when the study subjects stood compared with the days they spent in a chair. Standing also burned more calories — about 50 calories an hour. Over the course of a year that would add up to about 30,000 extra calories, or around 3.63 kilograms of fat.
“If you want to put that into activity levels, then that would be the equivalent (相当于) of running about 10 marathons a year,” said John Buckley, a member of the research team. “Just by standing up three or four hours in your day at work.”
Buckley said that although doing exercise offers many proven benefits, our bodies also need the constant, almost imperceptible (感觉不到的) increase in muscle activity that standing provides. Simple movement helps us to control our allimportant blood sugar.
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