The debut of a new national database tracking who visits college health centers and why -- the first of its kind -- generated considerable interest ... at the annual convention of the American College Health Association. ... "College students represent a pretty critical subpopulation of Americans," said James C. Turner, a professor of internal medicine and executivedirector of the department of student health at the University of Virginia,which sponsors the project jointly with the Centers for Disease Control. "This concept of sharing private health information with a central health network is...