Diet and Cardiovascular Disease The Choose My Plate plan from the federal government is a guideline to help you eat a healthy diet. Cholesterol in the Blood The cholesterol in your blood comes from the foods you eat and your liver—but your liver makes all of the cholesterol your body needs. Calculating Calories and Fat Grams Here's a formula to help you figure out how many calories and fat grams you need each day to maintain your current weight. How to Make Heart-Healthy Food Choices Maintaining a healthy diet is one of the best weapons for fighting cardiovascular disease and other heart conditions. Components of Food When trying to make heart-healthy changes to your lifestyle and diet, it is helpful to know some basics about nutrition.