Family History of Cancer: When Should I Worry?

Speaker: Jonathan Clyman, a board-certified genetic counselor at Vassar Brothers Medical Center When many cases of cancer occur in one family, there could be environmental links such as cigarette smoking. Other times, the genes we are born with can contribute to our risk of developing certain types of cancer. Genetic counselor Jonathan Clyman is an expert on how family history and cancer are connected, and how genetic testing works.