5/28/08 11:17 AM Commercial DNA Testing Has Pitfalls - NYTimes.com Page 1 of 1 May 27, 2008 Some Pitfalls of Genetic Testing By JANE E. BRODY The deciphering of the human genome has prompted a number of entrepreneurs to cash in on people’s genetic concerns. They offer DNA testing to look for aberrant genes associated with the risk of developing various diseases, especially cancer . Such testing, when done reliably, might encourage some people to take charge of their health and make better plans for the future. But some professional genetics counselors say this approach to determining cancer risk is fraught with hazards, not the least of which is a false warning of a serious risk that does not exist. “This kind of testing is premature,” said Dr. Kenneth Offit, chief of clinical genetics at
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