the amish don't generally talk to outsiders, but andy yoder is an insider.s part of an amish family, and though he left the community to go to medical school, he still goes home to visit. he says he'd be comfortable working with the amish, to find out more about their medical history. >> because of me coming from that community, and speaking their language -- pennsylvania dutch -- they would trust me, and i think it would open up a lot of doors. and each door could lead to a lot of information. they might not have much contact with the outside world, but they do know what's going on with their neighbors. that's how the researchers from ohio state were able to conduct their cancer study. >> the amish take social networking to a high degree, but they don't do it with computers. they do it by chatting and letters, and talking with folks after church. so they know pretty well what's going on in their community and their extended family. by interviewing just 92 families, we actually covered 90% of the existing population in the county. >> the researchers think th