Strange case of Paul Karason who turned himself blue due to colloidal silver

Paul Karason, from Bellingham in Washington, hit headlines across the globe after he appeared on TV to reveal he had managed to turn his skin blue

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Why This Man's Skin Turned Blue

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Man with completely blue skin dies at 62

Cyanosis: Cyanosis and the Clinical Assessment of Hypoxemia

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Why This Man's Skin Turned Blue

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Internet Sensation 'Papa Smurf' Dies; Other Blue People Live On