I have talked to my 3 older sisters about this... Harlan. And we are all kind of on the same page.
but back to the red meat... it was something in it, like a protein it has or something that your body does not process as quickly as other things... therefore if you ate a lot of red meat it stayed in your system and your body was over burdened with this... which would lead to restless leg syndrome. but that's all i can remember?
I remember having it as a grade schooler... drove me nuts and I don't know why but I remember getting up and chugging a glass of milk. ? don't know.
mom said her's went away at about her menopause days. She just said it was gone and she doesn't know why.