No offence here...but I have always wondered just how on earth you would expect say, the inuit people, or even aboriginal Australians, to live purely on fruits, especially when they are really not (widely) available in those areas. Aboriginies have to eat a mix of meats,seeds, nuts and what fruits are available, otherwise they would starve. Worse off for the inuit or other very cold climate people. Being a (healthy) fruitarian may be limited to those people who live around the equator.