The medical community is being challenged as never before to find ways to address the obesity crisis in the U.S. Employers, in particular, are putting pressure on the industry to combat workplace obesity.

But what do you do when you're a medical care provider, and two-thirds of your own staff is dangerously overweight?

That's the problem Mountain View, Calif.-based El Camino Hospital faced as 2013 began. Employees charged with safeguarding the health of hospital patients were themselves at risk. Previous attempts to incorporate wellness plan options designed to help staffers lose weight had fallen short.