Meet 'Papa Smurf', The Man Whose Skin Turned Blue After Consuming Dietary Supplements - News18

Dark Skin, Blue Eyes: Genes Paint 7,000-Year-Old European's Picture

Mesolithic man reveals origins of blue eyes, lactose intolerance

Chemistry behind the 'blue man' unlocked, Research

This is Paul Karason, the man who turned blue in 2007. He passed away, yesterday at age 62. : r/pics

Bizarre 'Papa Smurf' resurfaces on the internet; know how overuse of colloidal silver caused a man to turn blue

Blue Man' dies from heart attack

Real-life 'Blue Man' dies after heart attack, stroke

Khaled Khalifa, Syrian Novelist 'Exiled at Home,' Is Dead at 59 - The New York Times

Save Your Scalp from Sun Damage! - The Skin Cancer Foundation

How Silicon Valley's hospital whisperer bridges the tech gap