The diet-heart hypothesis incorrectly associated the consumption of saturated fats with a rise in LDLs (often referred to as “bad” cholesterol) and an increased risk of cardiovascular disease. “It has now been accepted that dietary cholesterol has little or no impact on blood cholesterol levels,” Dr. Malcolm Kendrick explains. In this article, Kendrick describes the slow shift in national nutritional recommendations away from the diet-heart hypothesis and explains the biological processes behind fat metabolism.