These are the Fugates, also known as The Blue People of Kentucky, they are carriers of a rare genetic trait that causes the disease methemoglobinemia, which causes bluing of the skin :
The Fugate Family of Kentucky Had Blue Skin For Generations
DNA suggests 10,000-year-old Brit had dark skin, blue eyes | CBC News
Well-intended Appalachia-set drama 'Blue' fails to gel - Los Angeles Times
8 Astonishing Facts About the Blue Fugates
Incestuous family were so inbred their skin turned BLUE and was passed down generations - Mirror Online
Real-life 'Blue Man' dies after heart attack, stroke
The True Story of the Blue People of Kentucky | HowStuffWorks
Argyria - Wikipedia
Pin on curiouser and curiouser
A family of people with blue skin lived in Kentucky for many generations. The Fulgates of
Almost Blu
Man who turned blue after taking silver for skin condition dies – New York Daily News
Paul Karason - Wikipedia
The Blue-Skinned People Of Kentucky: Their Stories And The Ridiculous Troubles That They Have To Face: Novel About Prejudice by Jarod Branstetter | Goodreads
Man turned completely blue after taking dietary supplements for years
JCM | Free Full-Text | Clinical and Forensic Aspects of the Different Subtypes of Argyria
Blue man syndrome | CMAJ
Meet The Fugate Family, The Mysterious Blue People Of Kentucky
8 Astonishing Facts About the Blue Fugates
Why this man's skin turned blue
8 Astonishing Facts About the Blue Fugates
Blue Fugates: A Family Of People Whose Skin Was Actually Blue
The man who turned blue after taking a dietary supplement for years
Incestuous family 'so inbred' their skin turned blue from genetic condition - Daily Record
The real life Papa Smurf: Man turned himself BLUE after taking dietary supplements for years | Daily Mail Online
