👉 Cholesterol is a type of fat that plays an important role in maintaining healthy blood vessels. It helps to transport oxygen and nutrients throughout the body, but too much cholesterol can lead to problems such as high blood pressure, heart disease, and stroke. In general, people who have high levels of cholesterol in their bloodstream are considered at risk for developing these conditions. This condition is called cholesterolemia, which refers to a state where there is an excessive buildup or accumulation of cholesterol in the blood