Want to get fit? Walk or bike to work
Walking or biking to work, even part way, is linked with fitness, but very few Americans do it, according to a study of more than 2,000 middle-aged city dwellers.
In what may be the first large U.S. study of health and commuting, the researchers found only about 17 percent of workers walked or bicycled any portion of their commute.
Those active commuters did better on treadmill tests of fitness, even when researchers accounted for their leisure-time physical activity levels, suggesting commuter choices do make a difference.
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