There are many types of fat. Your body makes fat from excess calories. Some fats are found in food and drink. Dietary fat is a macronutrient that provides energy for your body. Fat is essential for your health because it supports a number of body functions. However, some types of dietary fat are thought to play a role in certain diseases such as cardiovascular and metabolic diseases, overweight and obesity. In addition, fat is high in calories, so you need to balance your fat intake with the other foods you eat so that your body does not take in more calories than it needs. In this article, we will provide useful information to help users better understand the relationship between dietary fat and diseases.