I tried the 5:2 diet last year and it did work, but having stopped completely for maybe four months now the weight has been creeping back up towards last year's starting point. Michael was probably right - having lost the weight, doing it one day a week may be the way to maintain it.
This Guardian article starts out as if it is going to take down the claims a peg or two, but everyone it quotes still seems quite strongly supportive. There is an alternative mentioned:
Longo himself has fasted daily for more than five years now. He practises time-restricted feeding, where he allows himself only two meals within three to 12 hours – a method that is common among centenarians and, says, “a good way for me to maintain a healthy weight”. It’s better than 5:2, according to Longo, because your system prefers a daily routine, rather than extremes every few days (he also recommends three-to-five day fasts every three months). But he wouldn’t recommend trying it without medical supervision, for fear of malnourishment and “because people like to improvise”, he says. You certainly can’t just go around fasting willy-nilly if you’re still growing, pregnant, diabetic or have other serious health conditions.Well, until a book comes out about that, I won't try it.
Anyway, perhaps from next week it's time for me to go back to 5:2. When it's cooler, I can throw in one of those 60 second a week exercise regimes . Michael endorse them too! (Heh).