The UK Department of Health released its "Health Profile of England 2007". They noticed a trend:
The UK Government Office for Science projected that trend 40 years into the future and determined that a "bold whole system approach is critical":
Source: Tackling Obesities: Future Choices
"Although personal responsibility plays a crucial part in weight gain, human biology is being overwhelmed by the effects of today’s ‘obesogenic’ environment, with its abundance of energy dense food, motorised transport and sedentary lifestyles. As a result, the people of the UK are inexorably becoming heavier simply by living in the Britain of today. This process has been coined ‘passive obesity’. Some members of the population, including the most disadvantaged, are especially vulnerable to the conditions."