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The disparity between workout clothing and loungewear seems to get less clear daily. Not that we're complaining; we love not having to change clothes multiple times a day. But, this trend doesn't come without a side effect: As the two clothing categories become more alike, so do the two activities — at least, the ways we read
There might be a difference between the age on your ID card and the age of your body. Last year, researchers developed a "fitness age" test that predicts your VO2 max (how your body takes in and uses oxygen during exercise, a process that is typically seen as a marker of cardiovascular endurance), without requiring you to read