This document discusses the challenge of rising obesity rates in the UK, particularly among low-income households. Some key points: - Obesity rates have doubled over the past 2 decades and are higher among more deprived groups. - Multiple, interacting factors contribute to obesity including genetics, environment, behavior, and socioeconomic influences. These factors likely differ between affluent and less affluent populations. - Current approaches to obesity prevention tend to focus on individual lifestyle changes but a wider, multi-level response is needed that also addresses sociocultural and economic drivers.