What is the difference between LDL and HDL cholesterol?

LDL (low-density lipoprotein) is often called "bad" cholesterol because high levels are associated with cholesterol depositing in arterial walls, increasing cardiovascular risk. HDL (high-density lipoprotein) is considered protective — it helps transport cholesterol away from arteries to the liver for processing. Total cholesterol alone is less informative than the LDL/HDL ratio. Triglycerides are a third component of a standard lipid panel and also contribute to cardiovascular risk when elevated.

Can diet alone significantly reduce cholesterol levels?

For people without familial hypercholesterolaemia, dietary changes can meaningfully reduce LDL cholesterol — typically by 10–20%. The most evidence-supported dietary strategies include reducing saturated fat, eliminating trans fats, increasing soluble fibre (oats, legumes, psyllium), adding plant sterols (2g/day), and adopting a Mediterranean or plant-forward dietary pattern. For those with genetically driven high cholesterol, lifestyle changes alone are usually insufficient and medication is typically required alongside.

What is familial hypercholesterolaemia?

Familial hypercholesterolaemia (FH) is an inherited condition causing significantly elevated LDL cholesterol from birth. It affects approximately 1 in 250 people and substantially increases lifetime cardiovascular risk if untreated. It is often suspected when total cholesterol is very high (above 7.5mmol/L), there is a strong family history of premature heart disease, or visible cholesterol deposits appear on tendons or around the eyes. Medication alongside lifestyle changes is typically necessary from an early age.

Are statins the only option for managing high cholesterol?

Statins are the most widely used and evidenced medication for reducing LDL cholesterol and cardiovascular events, but they are not the only option. Ezetimibe, PCSK9 inhibitors, bempedoic acid, and bile acid sequestrants are alternatives used in various clinical situations — particularly when statins are not tolerated or insufficient alone. Natural approaches including red yeast rice, berberine, and omega-3 fatty acids have evidence for modest LDL reduction and may be discussed with a practitioner as adjuncts.

Cardiovascularlow Risk

Hypercholesterolaemia

Hypercholesterolaemia involves persistently elevated blood cholesterol levels, a major modifiable risk factor for cardiovascular disease. Dietary approaches, plant-based nutrition, omega-3 supplementation, and physical a

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Reviewed by Dr. Ian Henderson · Microbiobial Health & Medicine26 March 2026Research-supported

Quick answer

Do any of these feel familiar?

Hypercholesterolaemia produces no direct symptoms and is almost always discovered through a routine blood test rather than through how someone feels
For many, the discovery is a significant psychological event — particularly if there is no clear lifestyle explanation or if there is a strong family history suggesting a genetic component
Some people develop visible cholesterol deposits (xanthelasmas) around the eyes
The primary concern is future cardiovascular risk — heart attack and stroke — which can generate ongoing health anxiety and a sense of needing to be vigilant about every dietary choice
Many describe the diagnosis as a turning point in how seriously they take their health

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