Does Sitting Cancel Out Exercise?

This past Friday, I ran 4.5 miles on a great running and biking trail in Grand Rapids; it was a great morning and with the canopy of trees, it was cooler than it would have been in the sun. The rest of the day, I recorded my radio show, read, wrote, and finished off the day watching some home improvement shows. I typically spend more than eight hours sitting while I do what I do.

Unfortunately, that run won’t reduce my risk of dying from cardiovascular disease—not based on the headlines for a scientific statement just released . . .

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