the MD artical is funny -- "canola plant???"

Debunking Canola Oil Myths

Stories have been circulating on the Internet claiming that canola oil is made from the rapeseed plant, and contains substances that are toxic to humans. The rumor claims that these toxins can lead to ailments ranging from respiratory distress to blindness in humans.

Canola is often confused with rapeseed. The rapeseed plant contains high levels of erucic acid, a substance that in large quantities can be toxic to humans. However, canola is produced from the canola plant, which contains levels of erucic acid well below the FDA's standards.