Artificial Intelligence technologies have the potential to vastly improve our health care services, by improving the efficiency of diagnosis, streamlining the allocation of resources, and identifying new medicines and treatments. But these technologies also risk increasing existing health disparities by discriminating against marginalised groups. There is already evidence of racial bias in AI technologies integrated into the healthcare system, which could deny fatal treatment to, misdiagnose, or design treatments ineffective against minority ethnic, black or brown patients.