Canola oil comes from highly toxic genetically modified rapeseeds. In the past, rapeseed oil was used in candles, soaps, lipsticks, lubricants, inks, biofuels, and even insecticides. Somehow this industrial oil found its way to our dinner table.
http://www.naturalnews.com/055191_canola_oil_carcinogens_cancer_risk.html
Tom's Blog on Life and Livingness