Celebrities are notorious for their wild weight swings. Think Jessica Simpson and Jennifer Love Hewitt.
But when it comes to shedding the pounds, are celebrities really the best authority?
"They are idolized by the public," Keith Ayoob, a registered dietician and director of the nutrition clinic at the Albert Einstein College of Medicine in New York, told ABCNews.com. "We hang on every word they say, whether it's good or not."
Celebrities swear by everything from macrobiotic diets to...Full Story