Many people have heard vaguely of the 'grape cure' for diseases arising from over-feeding, and the lemon cure for rheumatism, but for the most part these 'cures' remain mere names. Nevertheless it is almost incredible to the uninitiated what may be accomplished by the abandonment for a time of every kind of food in favour of fruit. Of course, such a proceeding should not be entered upon in a careless or random fashion.