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Study to look at lifestyle choices following DNA discoveries
A new study will look into the choices people make after they have had their DNA analyzed for the risk of disease. The study will examine whether people work with their doctors to head off a disease to which they're predisposed or fall into bad habits when they find out they don't have any predispositions.
A Silicon Valley gene-testing startup is responding to criticism that the tests could spur bad health-care choices by teaming up for a broad study of how the results affect behaviour.
Navigenics charges customers US$2,500 to analyze their DNA to assess their risk of developing more than 20 diseases. Several public health officials have said the science on which the tests by Navigenics and other companies are based is too new to be used for making serious medical decisions.
Critics fear that some consumers will use positive results to seek treatments they might not need or suffer unnecessary emotional distress. Negative results, critics say, could inspire others to be less cautious than they should be about lifestyle choices or preventative care.
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