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Friday
Nov052010

Gene Screening vs. Family History: Which Wins?

Photo Courtesy - Getty Images(CLEVELAND) -- The widely held belief that you can always rely on family may be especially true when it comes to your risk for certain diseases, new research shows.

Researchers led by Dr. Charis Eng, chairman and founding director of the Genomic Medicine Institute of the Cleveland Clinic, found that a thorough family history better predicted the risk for developing certain cancers than genomic screening did.

Eng and her colleagues assessed 44 people's risk for developing breast cancer, prostate cancer and colorectal cancer by obtaining a complete family health history and also by using a direct-to-consumer personal genomic screening tool. They presented their findings at the annual meeting of the American Society of Human Genetics.

A comparison between the two methods showed they did not often place people in the same risk category for the three kinds of cancer. Researchers also found that personal genomic screening did not identify nine people who were found to be at high risk for colon cancer because of a previous family history.

In addition to helping assess disease risk, doctors say knowing a patient's family history can help offer insight into how someone will respond to certain treatments.

Copyright 2010 ABC News Radio

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