The FDA made a preliminary determination that partially hydrogenated oils (the primary dietary source of trans fat in processed foods) are not “generally recognized as safe” for use in food.  Their review of the research has led them to conclude that consuming trans fat raises LDL, or “bad” cholesterol, and increases the risk of coronary heart disease. The FDA opened a 60-day comment period this week.  Folks can submit electronic comments and scientific data and information until January 7.