The quote below was taken from Loren Cordain and James O'Keefe's Cardiovascular Disease Resulting From a Diet and Lifestyle at Odds With Our Paleolithic Genome:How to Become a 21st-Century Hunter-Gatherer

"Trans fatty acids are also found in shortenings, most margarines, and deep-fried foods, and recently in many brands of commercially available canola oils."

Cordain pushes the canola oil in his book.....   Oliva