"I don't think at this point there is evidence that that can be done in a consistent way because people do tend to regain weight."

VOA: standard.2010.07.16

She says it's no easy feat. "You have to kind of deliver so much of the story through your own written texts so it's difficult in that way because you have to get a character and a point across in 140 characters or less."

VOA: standard.2010.05.07