I guarantee that the government will get the correct science necessary to give good advice. For an insight into some of the newest science on the matter, here is this post from today:
http://www.freerepublic.com/focus/f-chat/2730564/posts
And this, from December 20, 2010:
http://www.freerepublic.com/focus/f-chat/2678741/posts
It is becoming evident that it is the type of calories we eat and not how much of them you can burn off.
Like in catastrophic anthropogenic global warmism?