Summary of the October 20, 2009 issue of JNCI

Issue 20 of the Journal of the National Cancer Institute includes two studies that found that proactive, personalized phone counseling could help teen smokers quit. Another study confirmed previous findings on the STD Trichomonas vaginalis and its association with prostate cancer. In another study, researchers found that investing in screening programs now could cut future, more expensive chemotherapy treatment costs in half. And finally, in this issue's brief communication: new research suggests that moles are polyclonal with respect to BRAF gene mutations, and that BRAF is mutated after the development of the mole.