Cholesterol helps your body to build new cells, nerves and produce hormones. Cholesterol also enters in your body from food, such as animal-based foods like milk, eggs, and meat. Too much cholesterol in your body is a risk factor for heart disease. When fat lodged in your arteries then the arteries become narrowed and blood flow to the heart muscle is slowed down or blocked. The improvements you can make to your diet are eliminate Trans fat, be smart about saturated fats and add more healthy fats. Unsaturated fats (like omega 3 fatty acids) are essential for both heart health and overall physical health.