An e-mail was circulated that linked canola oil to a variety of false claims that it was harmful to human health. This is considered an email hoax making unsubstantiated claims.
http://www.snopes.com/medical/toxins/canola.asp
http://www.healthcentral.com/drdean/408/16307.html
http://www.mayoclinic.com/health/canola-oil/AN01281