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BOSTON, Mass. (CBS) - It's a statistic you may have heard before... Obesity in the US is increasing dramatically. Nearly 36 percent of Americans are overweight.

In contrast, about 16 percent of Americans have gym memberships. Still, having the membership is just the beginning - the hard part is actually going. But as Rebecca Jarvis reports, a pair of college students may have found the trick.

Click the THVideo to learn more on the Gympact app.