(FoxNews) Paul Karason, a man made famous after his skin turned permanently blue 15 years ago, has passed away at 62 after suffering a heart attack, according to The Christian Post.

Karason’s skin turned blue after he used colloidal silver, a liquid made by extracting silver from metal, to treat his dermatitis – a condition that causes swollen, red and itchy skin. Karason reportedly drank the silver-based remedy and rubbed it on his skin.

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