SOURCE: CBC newsThe bodies of even the most physically active Canadians take a physiological hit from sitting for hours, say scientists who warn about health effects of an increasingly sedentary society and prescribe some standing advice.
Canadian researchers are part of a pioneer field of study looking at the effects that sitting has on the body. At a lab in Ottawa, scientists are observing children as they watch TV, monitoring their pressure and oxygen consumption. The scientists want to see how sedentary time, such as sitting all day at school and then channel surfing at night, harms children's health.
After two to seven hours of uninterrupted sitting, there is evidence "that is enough to increase [subjects'] blood sugar, to decrease their good cholesterol and to have a real impact on their health," said Travis Saunders, a researcher in exercise physiology at the Children's Hospital of Eastern Ontario Research Institute in Ottawa.
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