Know why mustard oil is banned in America and Europe?

Asian countries such as India, Thailand and Pakistan use mustard oil for cooking.
 

The main reason these countries have banned mustard oil is the erucic acid it contains.
 

According to the US Food and Drug Administration, mustard oil is very high in erucic acid.
 

According to the US Food and Drug Administration, eating foods made with them can disrupt digestion and harm brain cells.