By Dori Cranmore RN When we think of marshmallows, generally the image of a white, sugary fluff ball comes to mind, right? Or a big fire with a bag of sugary fluffed candy ready to go on the end of a stick to roast to a toasty brown, melting the insides, then squished between graham crackers and a Hershey bar, calling it a smore. They are made into shapes to match each holiday season, colored ones and just recently I saw ginormous fluff balls on the grocery shelf. At first I thought it was a joke, but no, it really …