I don't really know the answer to your question, but I would think that the term "frozen" was not meant literally. Some years ago I had a cat die of calcified lungs, (the lungs had gone solid) I guess you could say it's lungs were "frozen" -- Regards - Terry Hollis Auckland, New Zealand <mark@kinweb.org> wrote in message news:1010283044.867698@news.islandnet.com... > My great grandfather died in 1924 of "frozen lungs". Any thoughts on > exactly what that means? I mean, how does one literally freeze their > lungs? Surely if he froze to death it'd say that instead. > > Does the phrase refer to something else perhaps? Some sort of > respiratory disease maybe? > > He died in Wadena, Saskatchewan, and it's certainly cold enough to > freeze to death there at the right times of year, yet the phrase > sounds strange to me. > > Mark