'Family Resemblance' by Alan Nourse (Astounding, April 1953; reprinted in 'Great Science Fiction About Doctors' edt. Groff Conklin & Noah Fabricant).posted by Slithy_Tove at 10:58 PM on April 11, 2003
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Dr. David Goldstein, a population geneticist and co-author of the report, said the genetic evidence alone could not determine whether the balancing selection in the prion gene occurred just once, in the ancestral human population before it left Africa
and
An alternative explanation for the protective signature could be that early human populations were exposed to prion disease by eating infectious animals. Dr. Mead said he could not rule out that explanation but added that cannibalism seemed more likely.
more likely to get your article in the paper, as well.
posted by jessamyn at 11:19 AM on April 11, 2003