It seems people associate bread with fat: Obesity is mentioned half as often when discussing wraps (in 2 percent of mentions), compared with buns and bread (4 percent). Is this an illusion? It depends on how an item is prepared, of course. Jennifer Nelson, director of clinical nutrition at the Mayo Clinic in Rochester, Minn., cautions that in general, even wraps can have high levels of sodium and fat, and might be a bigger serving size than a person requires.

Bloomberg Businessweek byVanessa Wong

Tags: Bloomberg Businessweek, fat, healthy wrap, Jennifer Nelson, Mayo Clinic Rochester, myth, Nutrition, Obesity, serving size, sodium