Calorie burner:
How much better is standing up than sitting?
Studies have claimed major health benefits for standing for much of the day as opposed to sitting. The difference is marked, explains Michael Mosley.
Guess how many hours a day you spend sitting? Fewer than eight? More than 10? A recent survey found that many of us spend up to 12 hours a day sitting on our bottoms looking at computers or watching television. If you throw in the seven hours we spend sleeping then that adds up to a remarkable 19 hours a day being sedentary.
Sitting down as much as this is clearly bad for us and some studies suggest that those who sit all day live around two years less than those who are more active. Most of us are guilty of excess sitting. We sit at work, in the car and at home, moving only to shift from one seat to another.
Even if you exercise on a regular basis that may not be enough. There is mounting evidence that exercise will not undo the damage done by prolonged sitting. Our technology has made us the most sedentary humans in history.
So why is sitting so damaging? One thing it does is change the way our bodies deal with sugar. When you eat, your body breaks down the food into glucose, which is then transported in the blood to other cells.
Glucose is an essential fuel but persistently high levels increase your risk of diabetes and heart disease. Your pancreas produces the hormone insulin to help get your glucose levels back down to normal, but how efficiently your body does that is affected by how physically active you are
We wanted to see what would happen if we took a group of people who normally spend their day sitting in an office and ask them to spend a few hours a day on their feet instead.
Standing while you are working may seem rather odd, but it is a practice with a long tradition. Winston Churchill wrote while working at a special standing desk, as did Ernest Hemingway and Benjamin Franklin.