Paul Karason has been left stunned after his skin colour changed to blue. The 57-year-old American used to have a fair complexion, which now has turned blue. He blames it on a substance called ...

Argyria, a rare disorder caused by the accumulation of silver in the body, has left people with a permanent gray or blue-gray skin ... causes of argyria include: Colloidal silver is a liquid ...

And, in her final days, the documentary showed that the so-called Mother of God’s face had started to turn blue as a result of her consuming copious amounts of colloidal silver. Colloidal silver ...