An 84-year-old man in Hong Kong developed grey skin due to a buildup of silver in his tissues, diagnosed as argyria. This rare condition, often stemming from prolonged silver exposure, turns the ...

Following this, the man appeared at the hospital for complication of urinary blood flow obstruction along with symptoms of grey skin ... Silver build-up in the human body is typically not harmful ...

A subsequent skin biopsy revealed gray granules in the man’s blood vessels, sweat gland membranes, hair follicles, and skin fibers. Further blood tests confirmed the hospital staff’s suspicion ...