A study conducted by Pricelisto (via KHOU 11 ) has named the five healthiest fast food chains. To tabulate the results, surveyors examined the total carbohydrates; fats; fibers; proteins; sodium; and sugars contained in an average menu item at the 20 chains examined. Each was then assigned a score out of 100, though it should be said none of the participants came close to that superlative. In terms of the healthiest fast food options, Chipotle took top honors with a score of 66.71 out o...