in their analysis of a 1957 study, hamilton-reid and gajdusek determined that the fore people have an unusually rich and varied diet especially when compared to other civilizations in the new guinea highland regions. in addition to growing sweet potato, ebia, sugarcane, and pitpit in their large and productive gardens, the fore supplement their diet with pigs, rodents, and adult insects. the quality of their diet is so high that, in the 1957 study, no evidence of clinical malnutrition was found in the general population despite lacking access to any modern nutritional or medical services.