The low-down on cholesterol: what you need to know, and what you need to do to keep healthy.

We’ve all heard about cholesterol, but do you actually know what it is and what it really does? Contrary to what we usually hear, cholesterol plays a useful role in our body, helping build cells, make hormones, vitamin D, and substances that help you digest foods. It’s also present in some foods.

What is cholesterol?

If you saw cholesterol, it would resemble a melted candle: this waxy substance is found in all our cells, and is carried through our bloodstream, attached to lipoproteins.

There are two types of lipoproteins: low-density lipoproteins (LDL) and high-density lipoproteins (HDL). It’s important to have healthy levels of both types, which is why regular check-ups are important.

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How do I know if I have high cholesterol?

Your general practitioner or doctor can check your cholesterol levels through a simple blood test. Remember, high cholesterol has no symptoms (although excess weight, smoking, poor diet and lack of exercise are major indicators that your cholesterol levels may be high). A blood test is the only way to detect high cholesterol, so it is important to discuss your health history and concerns with your doctor.

What is “good” and “bad” cholesterol?

LDL cholesterol is sometimes referred to as ‘bad’ cholesterol – this is because high levels of LDL can lead to a build-up of cholesterol in your arteries, which can cause heart disease, heart attacks or strokes.

HDL cholesterol is also known as the “good” cholesterol. This is because it carries cholesterol from other parts of your body back to your liver, which in turn, removes the cholesterol from your body.

What are the health risks of high cholesterol?

In Australia, 33 per cent of adults aged between 30 and 65 years have been diagnosed with high cholesterol. If you have high cholesterol, you are at greater risk of coronary heart disease.

According to the Australian Heart Foundation, total blood cholesterol levels exceeding 5.5 mmol/L greatly increase the risk of ischaemic heart disease, while levels above 6.5 mmol/L represent extremely high risk.

How can I reduce my bad cholesterol?

LDL cholesterol can be lowered by increasing your servings of polyunsaturated oil, such as sunflower of safflower oil. Eating oats and legumes can lower LDL cholesterol by five per cent, and put foods called saponins – think chickpeas, alfalfa, spouts – in your shopping basket, alongside garlic and onions, as these may also have a positive effect in lowering cholesterol levels.

Supplementing with Cuban Policosanol may also help to improve cholesterol levels by increasing HDL cholesterol and reducing LDL cholesterol within the normal cholesterol range.

Have you had your cholesterol tested lately? Share with us in the comments.

  • A good thing to keep an eye on


  • I know my cholestoral is high and I am having problems reducing it as all the medications I have tried so far have severe side effects including constipation. I have increased my fibre content considerably but got little relief and still had severe muscle pain as a result of it. I have cut fat from my diet……In my case it is also hereditary as is heart problems with some of those in the past.


  • I’ll have to get my cholesterol checked.


  • Thanks for your article,next time l visit the doctor l should get it checked!


  • Yes I had my blood tested recently and have a very high cholesterol but luckily from the good type !

    • That’s fantastic, Ellen! That’s what we should be aiming for! :-)


  • I managed to lower mine without knowing, had high cholesterol while pregnant but it has gone back to normal again now


  • Yes, tested, and everything ok at the moment.
    Another way to lower the cholesterol is by supplementing niacin (vitamin B3). And adding turmeric powder to the food you eat. Think curries, rice, chocolate milk, tea..


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