Health outcomes associated with hydration status, inspired by the Review on p275.

The varied roles of non-haematopoietic cells, inspired by the Review on p206.

Advancing equitable access to care, inspired by the Comment articles for World Kidney Day starting on p147.

Revisiting the year’s highlights, inspired by the Year-in-Review articles starting on p71.

A spotlight on sex differences, inspired by this Focus issue.