Despite the paucity of women in endoscopy holding leadership roles, inroads are being made as more female endoscopists are promoted within this exciting field in gastroenterology. There are many benefits from increasing diversity in the workplace, including boosting morale, minimizing gender bias, providing role models and improving patient outcomes.

The influence of nerves on cancer is beginning to be understood. This Review discusses emerging insights into the role of the nervous system in gastrointestinal cancer and of nerves as components of the tumour microenvironment, highlighting underlying mechanisms and its potential as a therapeutic target.

Archaea are an overlooked member of the human gut microbiota. This Perspective discusses key characteristics of archaea, their role in human health and physiology, and the clinical relevance of methanogenic archaea in the human gastrointestinal tract.

Severe obesity in adolescents affects their health and quality of life. Currently, metabolic and bariatric surgery (MBS) is the only effective intervention, but only a limited number of individuals undergo MBS procedures. Therefore, vigorous research in MBS is a priority for the benefit of adolescents with obesity.