You can feel perfectly healthy and still have a problem quietly building up in your blood vessels. Dyslipidaemia, or abnormal blood fat levels, usually has no symptoms at all. That's exactly why it's so important to get it checked. What is dyslipidaemia? It means the levels of fats (lipids) in your blood are out of the healthy range. Over time, this raises your risk of heart disease, stroke and other heart and blood vessel problems. Not all fats are the same LDL ("bad" choles