Two US researchers recently sparked controversy with their work on the role of “luck” in cancer. Their latest article was published in the March issue of the prestigious journal Science. The researchers, Christian Tomasetti and Bert Vogelstein of John Hopkins University in Baltimore, showed that the disease is less dependent on hereditary (a genetic predisposition) and environmental risks (such as smoking, or asbestos exposure) than on random mutations (such as DNA replication errors) arising spontaneously in cells as they divide and reproduce over the course of our lifetimes.
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