A mound of 74 boxes of Girl Scout cookies.

Federal guidelines issued in early 2005 called for people to minimize their consumption of trans fat, which is now widely understood to be unhealthy for the heart. Concerned parents urged the Girl Scouts to address this and other health concerns about the cookies, suggesting that the cookie program was at odds with the Girl Scouts' healthy living initiative. The Girl Scout organization replied that the cookies were a treat which "shouldn't be a big part of somebody's diet," and said that they are "encouraging" the companies that bake the cookies to find alternative oils.

In 2007, following reformulation of the recipes for a number of varieties, Girl Scouts of the USA announced that all their cookies had zero trans fat per serving.

http://en.wikipedia.org/wiki/Girl_scout_cookies