Blame it on your parents and their parents before them. Science tells us that the predisposition for certain illnesses, including breast cancer, Alzheimer’s disease and sickle cell anemia, can be passed through the genes. But even if you’re identified as having a certain gene, what can you do about it? Should be tested for the risk? And who will have access to those results? Geneticist Doris Zallen (Virginia Tech), author of Does It Run in the Family?, discusses the pros and cons of genetic testing along with Joann Bodurtha, director of the genetic counseling program at the Medical College of Virginia at VCU.

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