"US Omega-6 and Omega-3 Fat Consumption over the Last Century"

Eat your soy oil

A great post, as usual, at Whole Health Source.

What I find suprising about the data is that grain consumption actually declined over the last century, and a lot of those calories switched to linoleic acid (the primary omega-6 acid in the diet). 

Grain is still the largest single component in the US diet, however.