One of the most mysterious puzzles on Game of Thrones is greyscale, a strange disease that causes human skin to become stone-like. What on earth could actually cause it? We asked a dermatologist.

Greyscale is always fatal in adults, but can be survived by children — it's sorta like Westerosi chicken pox that way. In fatal cases, the disease spreads across the entire body, leaving the ...

In Martin's A Dance of Dragons, greyscale is described as a contagious disease with potentially fatal consequences. The condition turns the skin to a stone-like texture and becomes cracked.

In the series, greyscale is presented as a disease that leaves the skin stiff, cracked and flaking. It appears black and grey and is like stone to the touch – eventually the infection spreads ...

Fatal diseases play a supporting role at best — but a fearsome fictional disease had its turn in the spotlight this week. Greyscale appears to be a mash-up of leprosy and smallpox. Like medieval ...

Now that greyscale is becoming more relevant ... As George R.R. Martin explains in a featurette about the disease (see below), "It calcifies the skin." At first, it's just a thin patch, but ...

A major character on "Game of Thrones" recently contracted a nasty disease that turns your body to stone, and he's now in search of a cure. Greyscale, as it is known, has been referenced a number ...

The tiniest hint during Sam's storyline in the GOT season seven premiere could be the key to curing greyscale — the disease ravaging Dany's right-hand man, Jorah Mormont — and it might mean ...

A major character on "Game of Thrones" recently contracted a nasty disease that turns your body to stone, and he's now in search of a cure. Greyscale, as it is known, has been referenced a number of ...