All of the diseases ARE understood. They are caused by PRIONS... (http://www.microbiologybytes.com/virology/Prions.html)

Check out the Merck Manual on Prion Diseases... (http://www.merck.com/mmhe/sec06/ch090/ch090a.html)

A Nobel Prize in Medicine was awarded in 1997 for the discovery of Prions and their relationship to neurological disease. (http://nobelprize.org/nobel_prizes/medi ... index.html)

Isn't HGH used to treat potential short stature in children here in the US today? I vaguely remember reading about this treatment here back in the late 70s or early 80s. Were the treatment protocols different or did similar results happen here as well--and if so, how broadly did the same results occur?