The pattern of losing weight and then regaining it repeatedly in the so called yo yo diet has taken on a new spin with the introduction of new lines of edible yoyos The healthiest by far is the wooden yo yo recommended by gastroenterologists, enjoyed by quadrillions of termites throughout the world, full of what is needed to keep your digestion system moving...fiber. Second best, doctors suggest trying the Duncan Butterfly yo yo ,also rich in fiber but might give you a jittery feeling in your stomach. Then of course,is the MagicYoYo used by professional dieters in an easy to swallow aluminum gel . The great thing about these yoyos is there are no strings attached. Whichever yoyo you choose, you'll never be out of the loop but you might be" walking the dog" a lot