clipped from: english.pravda.ru   
"Have you ever heard of the blue Fugates of Troublesome Creek?"

Two days of tests produced no explanation for skin the color of a bruised plum.


Blue people inhabited Kentucky in 1950s

They're known simply as the "blue people" in the hills and hollows around Troublesome and Ball Creeks.
clipped from: english.pravda.ru   
doctor at the Arctic Health Research Center in Anchorage who had discovered hereditary methemoglobinemia among Alaskan Eskimos and Indians. It was caused, Scott speculated, by an absence of the enzyme diaphorase from their red blood cells.
clipped from: english.pravda.ru   

Just like the Alaskans, their blood had accumulated so much of the blue molecule that it over- whelmed the red of normal hcmoglobin that shows through as pink in the skin of most Caucasians.