Stanford University researchers have developed a simple blood test that could potentially help doctors diagnose Alzheimer's disease. If you could find out which diseases you might develop in your lifetime, would you want to know?
Susan Davis, senior producer of The State of Things at North Carolina Public Radio, WUNC; produced a radio story about genetic testing
Joe Palca, NPR science correspondent
Barbara Biesecker, genetic counselor and investigator at the National Human Genome Research Institute