spanyol és angol nyelvterületen már lefutott ez a hoax, az említett spanyol egyetem levele alapján:

"The answer is ABSOLUTELY NOT. This person is not a professor at our Univesity. Nor is a student or researcher. Our University is located in the city of Almería and we have no center in the city of Cuenca . It is not the first time we heard of this email but until now was limited to universities in South America ."

http://www.instructables.com/community/Do-refrigerator-magnets-affect-food/