Jack Cuzick, PhD, FMedSci, FRCP(hon), of the Queen Mary University of London, UK gives an overview of the session ‘Prevention is better than cure’ cancer chemoprevention in 2015, presented at the 2015 National Cancer Research Institute (NCRI) Cancer Conference. The session included speakers such as Andrew Chan, Sam Behjati, Dario Alessi and Henry Kitchener.