Saw this today:
http://livinlavidalowcarb.com/blog/poll-nearly-one-fourth-of-the-swedish-population-are-now-eating-low-carb/10337

The study came about because someone tried to sue a nutritionalist for advising Low carb, High Fat. However " On January 16, 2008, the National Board of Health and Welfare made their decision after carefully examining all of the evidence presented to them and declared publicly that a low-carb diet is “in accordance with science and well-tried experience for reducing obesity and Type 2 diabetes.” "