That advances move us forward is beyond doubt — but the fact that they can also widen the health gap offers important food for thought. 

How to address this issue is one of the five questions posed by the Toronto-based endocrinologist Alice Cheng. She calls for a sharper focus on the unknowns still shaping diabetes care. Further research priorities she highlights as critical for improving our understanding of diabetes care and transforming it around the world concern personalised medicine — whether through expanding our understanding of diabetes and treatment efficacy in specific population subgroups, or through omics-guided therapy decisions.