Ant writes "United States researchers have identified all 1,116 unique proteins found in human saliva glands. It was a discovery they said on Tuesday that could usher in a wave of convenient, spit-based diagnostic tests that could be done without the need for a single drop of blood. As many as 20 percent of the proteins found in saliva are also found in blood, said Fred Hagen, a researcher at the University of Rochester Medical Center in New York who worked on the study."
The most difficult thing in the world is to know how to do a thing and to
watch someone else doing it wrong, without commenting.
-- T.H. White