When an 84-year-old man in Hong Kong went to hospital with an enlarged prostate, doctors were startled to see that his skin – and even the whites of his eyes – had turned silver-grey. A deeper investigation revealed silver deposits permeating his tissues, turning him a hue more often reserved for science fiction.
Far from a one-off oddity, in 2007 press reports described Paul Karason as a “blue man” after he attempted to cure sinus and skin problems by ingesting a homemade silver chloride solution – and there are many other examples.
