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.