Trans Fats
An original article by Mozaffarian (2009) backs up these recommendations by showing that there was a decrease in coronary heart disease risk factors when switching percentages of the diet from trans fatty acids to even saturated fatty acids. The Mozaffarian (2009) review consisted of meta-analyses of the effects of trans fatty acids on blood lipids in controlled dietary trials. Within the data it was observed that the replacement of partially hydrogenated vegetable oil with o