According to Poisoned Profits: The Toxic Assault on our Children, chemicals are tested alone and not in combination and "The pesticide Roundup, for instance, is more dangerous in its finished formulation than its active ingredients." 1 Yikes. Plus canola oil has to be highly refined to get the oil and can be a source of trans fatty acids, according to Dr. Mary Enig, a professor of biochemistry at the University of Maryland, who has brought public awareness to the dangers of trans fats. It is, as promised, low in saturated fat. But too low in saturated fat to be used exclusively in the diet--as we need some saturated fat to function and "Cholesterol is vital for the development and function of the brain."2
WHAT TO DO: Choose a healthier oil: coconut oil or olive oil are both good choices. Coconut oil is great to use in fried and baked goods because it has a higher smoke point and healthy, saturated fat is important for children's brain development. Olive oil is better for things that are lightly cooked at lower temperatures or added for flavor after cooking.
2. Poisoned Profits p. 54