Biological science is poorer for neglecting the rest of the world. The study of genetics has a genomic representation problem. Despite this being known for over a decade, the disparity could be partially to blame for a worsening global health inequality crisis. Grace Browne examines a February 2022 paper that attempts to redress this imbalance. Here, she discovers the authors' own experience conducting research in underrepresented populations and why fixing this lack of diversity is so essential for the future of healthcare.