The Most Common U.S. Sandwich Fillings, Not Counting Love

A 2009-2010 survey of more than 5,000 U.S. adults over the age of 20 shows that while 49 percent of Americans eats at least one sandwich a day, those sandwiches contain much more lettuce and mayonnaise than the strong emotion that makes all sandwiches taste better. I blame the Centers for Disease Control and…