mactavish-west: you could take fresh vegetables, and you put them in the fridge maybe for up to a week. they'll just continue to decline in most cases. http://lm360.us/Butcher-sister-of-Schwemmer-from-Amakusa?Crosesist=141
it's not clear how well they'll stack up against current migraine therapies, because head-to-head studies haven't been done. . . .