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Where Americans Get Enough Exercise

Whether you're physically fit can depend on where you live.
Shutterstock.com/Skydive Erick

The new year is a time when many of us vow to head back to the gym. Moderate exercise not only helps us slim down and look better, it's also associated with all sorts of good health outcomes, from higher energy and productivity, better sleep and sex, and even greater longevity. In many cases, exercise may treat diseases as effectively as drugs, as one BMJ study recently showed.

Everyone knows it, but not everybody does it. Just a month after making those New Year's resolutions, 36 percent will already have given up, according to University of Scranton psychologist John Norcross.