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Find out what cholesterol is, what causes high cholesterol, why it's important to keep your cholesterol levels under control, and how to lower your cholesterol.
- high cholesterol is when you have too much of a fatty substance called cholesterol in your blood
- it's mainly caused by eating fatty food, not exercising enough, being overweight, smoking and drinking alcohol. It can also run in families
- you can lower your cholesterol by eating healthily and getting more exercise. Some people also need to take medicine
- too much cholesterol can block your blood vessels. It makes you more likely to have heart problems or a stroke
- high cholesterol does not cause symptoms. You can only find out if you have it from a blood test
Heart UK has separate information about inherited high cholesterol that starts at a young age, called familial hypercholesterolaemia.