On Thursday the FDA proposed changing its classification of trans fats to no longer "generally recognized as safe," which means food companies would have to prove that the partially hydrogenated oils are harmless before using them, according to The Atlantic.
This new, higher bar could mean that trans fats will disappear from our diets altogether, since the most recent research shows that they contribute to plaque buildup in the arteries and heart attacks.
But surprisingly, science has only been against trans fats for the past few decades. Through the late 1980s, animal fat substitutes like Crisco and margarine were all the rage, and for a brief moment were even considered a health product. Here’s the story of how America fell in love with, and then quickly slid away from, hydrogenated oils.
See this story on www.theatlantic.com