Of trust and science

On a recent morning they knocked on Mary Ann Stoltzfus' door, the research nurse and her Amish helper, just as they have on so many doors over the years. They didn't call ahead - most Amish don't have telephones. They tracked down Stoltzfus the old-fashioned way: They asked her mother-in-law for the address when they ran into her.

By Stephanie Desmon | stephanie.desmon@baltsun.com

April 5, 2009