In this first episode of season two of the Precision Medicine Podcast, Dr. John Quackenbush discusses his approach to understanding what makes cancer cancer by studying entire gene networks rather than simple mutations. Dr. Quackenbush is Chair of the Department of Biostatistics at Harvard University's T.H. Chan School of Public Health and one of the first people to have worked on the Human Genome Project. Read our full summary and tune in to the episode here.