Almost everyone says that organic, cold pressed, extra virgin olive oil is best for salads and for cooking. But almost everyone is wrong.
Of course, you could do a lot worse. Some oils are high in trans fats. Some may be contaminated with pesticides. Some knowledgeable people even have serious doubts about canola oil.
"Canola oil is a poisonous substance, an industrial oil that does not belong in the body," write Sally Fallow and Mary G. Enig, PhD, in "The Great Con-ola."