Seven-year itch : the UK Government’s difficult relationship with the food and drink industry since ‘Healthy Lives, Healthy People : a call to action on obesity in England (2011).

Objective: Unhealthy food and drink consumption is associated with a range of physical and mental health concerns. In response, public health policies have been developed targeting a reduction in obesity in particular. In the present commentary we argue that government–industry partnerships have reduced the effectiveness of resultant policies and explore why. Design: Perspectives of authors. Setting: UK. Participants: Populations in the UK; UK Government. Results: Industry involvement has presented three interrelated challenges for the UK Government: (i) balancing collaboration while maintaining appropriate distance from industry stakeholders; (ii) resultant production of ‘watertight’ and effective legislation or intervention; and (iii) actual or perceived limited sanctioning or bargaining power. Conclusions: Industry involvement in public health policy making has led to weak action. Support with policy implementation (rather than development) and genuine ‘buy-in’ from industry could accelerate the pace of public health improvement