Health equity is when every person can achieve their full potential for health and wellbeing. In this Viewpoint, global experts discuss the root causes and contributing factors to health inequity in endocrinology. Potential action points and research directions to help reduce health disparities are also discussed.

Over the past decade, the focus on modelling the human endometrium and its cyclical transformations has intensified, driven in part by the lack of notable progress in treating endometrial diseases. Gnecco and collaborators now unveil a cutting-edge endometrial organoid culture using synthetic hydrogels with endometrial niche peptides and epithelial and stromal cells.

This Review discusses the current understanding of adipose tissue macrophages and T cells. Discussion of these cells is used as an example of how metabolic tissue niches can dictate immune cell function in unique ways that diverge from the classic understanding of leukocyte biology.

Inter-organ crosstalk is increasingly understood as an important mechanism contributing to insulin resistance and β-cell failure, the key features of type 2 diabetes mellitus. This Review discusses mediators of inter-organ crosstalk in type 2 diabetes mellitus, its pathogenesis and its related complications.