The so-called “five-second rule” is something many of us cited when we drop a piece of food on the floor and then eat it anyway. But how does cross contamination of food really happen? This week on WRVO's health and wellness show "Take Care," hosts Lorraine Rapp and Linda Lowen speak with Don Schaffner, a Rutgers University food microbiologist and food safety expert about how bacteria transfers onto food. More of this interview can be heard on "Take Care," WRVO's health and wellness show