Riddle me this: What is cheap, addictive, and leads to poor nutrition? Exactly what you should be avoiding. Cue the video, my friends!
Something that's important to note is that there are thousands of families in the U.S. that don't have locational and/or financial access to fresh produce and other groceries in their neighborhoods. We've got a LOT of work to do here in order to truly begin to reform our food system. You can read more about this issue here from Wikipedia or hear my friend Clint Smith tell you about it in a slightly more artistic (and inspiring) way.