By Nomava Nobumba
20 December 2009
British researchers have found that smokers experience one mutation to their DNA for every 15 cigarettes they smoke.
The massive study mapped out the genetic blueprint of a lung cancer patient.
The study, published in two papers today in the journal Nature, says all cancers are caused by mistakes in the genetic code, which are mutations in DNA that can be triggered by environmental agents.
The scientists hope the results will help them understand the causes of cancer and to develop new treatments.
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