There is something missing though, we evolved with parasites... why are they causing so much trouble now? its because our immune systems are suppressed, by our environments, by our diets... there is a wonderful article out there on the net, about body temp and parasites. the conslusion is that even a half degree of regular body temps allows parasites to flourish. of course we know what lowers body temp... mercury, metals... Iodine deficiency...