Well, common sense  always  told us that mayonnaise is really really bad for our health , just by reading the mere ingredients. So it doesn’t take a plumber to realize that  it clogs arteries. However, props to some Boston researchers who found an interesting new twist about mayo’s bad influence on our health. Turns  out that it clearly  causes cataracts!  If you are a mayo abuser , then for the sake of your eyesight, please read this article.