* Health and Medical News:How Many Calories Does CrossFit Really Burn?

Is the popular workout doing as much for you as a typical half-hour at the gym? 

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via Health and Medical NewsHealth and Medical News Pfizer Inc has already had its takeover overtures rebuffed three times by rival AstraZeneca Plc, but investors in the U.S. drugmaker say it can tolerate a little more rejection before going hostile with the deal. AstraZeneca turned down a sweeten...

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