Stone, Rebecca A; Christiansen, Paul; Johnstone, Alexandra M; Brown, Adrian; Douglas, Flora; Hardman, Charlotte A; (2025) Understanding the barriers to purchasing healthier, more environmentally sustainable food for people living with obesity and varying experiences of food insecurity in the UK. Food Policy , 131 , Article 102798. 10.1016/j.foodpol.2025.102798. (In press).