Cholesterol is a lipid chemical compound that plays a key role in the functioning of our body. It is essential for cell building, hormone production and vitamin D synthesis. However, excess cholesterol in the blood can lead to serious health problems, including heart disease and atherosclerosis. Therefore, it is important to maintain healthy cholesterol levels. In this article, we will discuss what cholesterol is, the types of cholesterol, the standards for healthy cholesterol levels and how you can control and maintain healthy levels.