Donuts, cookies, stick margarine, french fries, and other tasty treats contain significant amounts of trans fatty acids. For now, food producers don't need to specify how much of these artery-clogging fats are present in their products. Instead, they are included in the 'total fat' line on nutrition labels. But in July, the Food & Drug Administration decreed that as of Jan. 1, 2006, manufacturers must break the trans fats category out of the total fat listing.
C&EN: SCIENCE & TECHNOLOGY - THE SKINNY ON TRANS FATTY ACIDS