This is actually a common eating regime for Buddhist mmonks, who have been doing it by the millions for millenia, because the Buddha is believed to have eaten t

This is actually a common eating regime for Buddhist mmonks, who have been doing it by the millions for millenia, because the Buddha is believed to have eaten that way, and recommended it as conducive to health and longevity. I've done it a few times for about a month at a stretch each time. It is quite feasible.