As Travis Saunders has explained, evidence is accumulating about the unhealthy effects of excessive sedentary time. This isn't just because sitting burns fewer calories than walking or standing, but because sedentary behavior is associated with changes in triglyceride uptake, HDL cholesterol, and insulin resistance. And bouts of intense exercise every morning or evening can't completely offset the effects of spending several hours sitting at a desk or behind the wheel.
Given that a large segment of our population works at sedentary jobs, this is disturbing news. But a recent story by NPR's…
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