High cholesterol is one of those health problems that can go unnoticed for years while increasing the risk of serious complications. Cholesterol is a fatty substance in the blood that the body needs to build cells and produce certain hormones. However, when levels are too high—especially LDL, often called “bad” cholesterol—it can build up inside the arteries and contribute to atherosclerosis, increasing the risk of heart disease, heart attacks and strokes.

The important thing to understand is that high cholesterol usually causes no obvious symptoms. That is why it is often described as a “silent” condition. In some cases, particularly when cholesterol levels are extremely high or have been elevated for a long time, physical signs such as xanthomas—fatty deposits under the skin—or a whitish ring around the cornea may occur. Chest pain, shortness of breath or unexplained fatigue, however, are not specific symptoms of high cholesterol and may indicate that cardiovascular disease has already developed.

The most reliable way to find out whether your cholesterol is high is through a blood test called a lipid panel. This typically measures total cholesterol, LDL cholesterol, HDL cholesterol and triglycerides. The risk of high cholesterol can be increased by factors such as a diet high in saturated fats, physical inactivity, excess weight, smoking, family history and conditions such as type 2 diabetes. Regular cholesterol testing is especially important for people with these risk factors.

The main point is that you should not wait for symptoms to appear. High cholesterol often has no warning signs, so a blood test and regular medical checkups are the best way to detect it. Maintaining a balanced diet, staying physically active, avoiding smoking and following medical advice can help reduce cardiovascular risk. If you experience chest pain, severe shortness of breath or other concerning symptoms, seek medical attention promptly rather than assuming they are simply caused by high cholesterol.