NORTHFIELD, Minnesota, Nov. 9 (TNSres) -- St. Olaf College issued the following news: When St. Olaf College alumnus Paul McCray '76 first got involved with cystic fibrosis (CF) research as a pediatric pulmonology fellow with University of Iowa Professor of Internal Medicine Mike Welsh, the average life expectancy for patients with this congenital lung disease was in the 20s. Patients were cared for by pediatricians their whole lives, which were spent in and out of hospitals with recurring lung   more