The unhealthiest fast-food sandwich isn't a Big Mac, based on data. See the 10 worst in America.

[jboldeniv]

This study is very interesting. I didn't know that the Sourdough Chicken Club from Jack In The Box was the healthiest sandwich, along with Chic Fil' A. Burger King has some of the most unhealthiest sandwiches.

The unhealthiest fast-food sandwich isn't a Big Mac, based on data. See the 10 worst in America.