Lifestyle instability: an overlooked cause of population obesity?

Obesity remains a pressing health challenge globally. While population prevalence may be stabilising in adults within some (high-income) nations1 , levels remain persistently high and are rising in children. Moreover, the proportion of individuals living with severe obesity is increasing1 . Although advances in pharmacotherapy are revolutionising obesity management for those fortunate to have access, less progress has been made in addressing excess body fat gain as a public health issue.