Breast cancer is the most common form of cancer affecting women overall but there are stark differences in breast cancer risk and survival rates between racial and ethnic groups. Breast cancers must be detected at an early stage to ensure timely treatment and the reduction of premature mortality. Professor Manoj Sharma from the School of Public Health at the University of Nevada, USA, is working with colleagues to gain an in-depth understanding of the determinants of undertaking mammogram screening in typically under-represented groups with a view to improving health through behaviour change.