NEW YORK (Reuters Health) - Nearly one third of deaths among US children under age 18 were tragedies that might have been avoided, Arizona researchers report. "Many child deaths are preventable," study co-author Dr. William Marshall, a professor of clinical pediatrics at the University of Arizona in Tucson, told Reuters Health. "There are things that communities can do to try to reduce child mortality." Child fatality review teams used death certificates, hospital records, autopsy and police reports to review 4,806 cases of children who died in Arizona from 1995 to 1999. The review was conducted by the Arizona Child Fatality...