As a health psychologist at King's College, London, who studies people's responses to genetic test results, Theresa Marteau says that just informing people about their genetic risk often won't motivate them to change their lifestyle. Genome Technology's Ciara Curtin recently spoke with Marteau about her work. What follows is an excerpt of their conversation, edited for space.
Genome Technology: One of the tenets of personalized medicine is that knowing a person's genetic predispositions will lead to earlier interventions. Do you think that will be the case?