Do you eat healthy? What makes you so sure?

Think you're a healthy eater? Why? Because the foods you eat are labeled as being a "Healthy Option?" If so, you may also be wondering why your waistlines seems to telling a different story.

It turns out that most people will consume 131 percent more calories when they select food labeled "Healthy Option" on menus and on packaging, say researchers from Cornell University. What's more, because they're convinced that their meal choice was low in calories (which, incidentally, researchers also found is seldom the case), many people will go on to have more drinks, sides, and desserts.

At the end of the day, you're Healthy Option can quickly become the biggest challenge to your opting to eat healthy.