I just googled “morning banana diet” and got only a thousand hits. Surely that will change. It is the most popular diet in Japan right now, so popular, Mark Schrimsher of CalorieLab told me, that “You can’t buy bananas in Japan now. It’s crazy. We found some little green ones and some really expensive ones, but the rest are sold out.” Fytte, a woman’s health magazine, has covered it three months in a row. Three books have been written about it.
Like the Shangri-La Diet, it derives from (a) self-experimentation by (b) someone who was not a weight-control expert and (c) was spread by the Internet.