Sanger Infographic (IMAGE) DOE/Los Alamos National Laboratory Caption Research on mutational signatures in the genome of cancer cells shows that smoking increases the risk of several cancer types by raising the overall number of mutations, even in tissue not directly exposed to smoke. Credit Photo courtesy of Wellcome Trust Sanger Institute Usage Restrictions Follow embargo guidelines. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.