Have a look:

http://rdsweighin.typepad.com/my_weblog/2009/08/not-all-nutrition-information-is-created-equal-1.html

Attention Consumers! Caveat emptor … when the media cover nutrition.

Check this out for advice (misinformation?) from someone not credentialed to provide evidence-based information and advice:

http://abcnews.go.com/video/playerindex?id=8286985