Updated: Wednesday, 05 Aug 2009, 5:40 PM EDT
Published : Wednesday, 05 Aug 2009, 5:40 PM EDT
It's something so many of us struggle with: getting healthy by exercising more, and eating less, and it's not just adults. Doctor Jo has the story of a Bay area teen who made weight loss his project over summer break.
With four undulating heads packed full of bristles, the “30 Second Smile” offers…