Janis Jibrin M S R DJanis Jibrin, M.S., R.D., is the lead nutritionist for thebestlife.com, Bob Greene's weight loss and fitness website. She is also a contributing editor for Self magazine, the author of The Supermarket Diet and other weight loss boks, and freelances for other national magazines. In her private practice, she specializes in weight loss and eating disorders. Read More Read Less