"BMI isn't the problem, " said Walter Willett, chair of the department of nutrition at the Harvard School of Public Health.

WSJ: A Good Way to Measure Obesity? Fat Chance

The RCN has launched its Nutrition Now campaign to raise awareness of the problem by calling on nurses to fill in incident forms when they are unable to help feed patients.

BBC: NEWS | Health | Lack of nurses 'nutrition fear'

AMs heard evidence that the standard of hospital catering and patient nutrition in many cases was poor and that the problem was widespread.

BBC: Public Accounts Committee

While fraud in the Supplemental Nutrition Assistance Program (SNAP) is a relatively limited problem, any amount of waste or abuse is too much.

WHITEHOUSE: Protecting Taxpayer Dollars by Strengthening SNAP