Dietary fat has been in the limelight since the 1950s, when researcher Ancel Keys conducted a study analyzing the diet patterns of seven different countries as well as their respective rates of heart disease. At the conclusion of the study, he found that higher levels of serum cholesterol were associated with a higher risk of heart disease and believed that a higher intake of foods high in saturated fat was to blame. (44)
But as you know, not all fats are created equal. Saturated and trans fats are the worst kind, as both increase the amount of bad cholesterol that enters the blood system. Bad fats also lead to inflammation, which can cause numerous debilitating diseases. All of the burgers, French fries, pizza and other greasy junk foods are loaded with these bad fats that can harm your body.