High cholesterol happens when you have too much of a particular type of fat in your bloodstream. It can happen to anyone, but you’re at greater risk of having high cholesterol if you lead an unhealthy lifestyle.
Talk to us to get advice and support on how to lower your cholesterol. We can offer a range of treatments on subscription to help you get, and stay, healthy.
There are three main types of cholesterol: high-density lipoprotein (HDL), low-density lipoprotein (LDL) and very-low-density lipoproteins (VLDL).
Cholesterol is a fat-like, waxy substance in the blood which the liver produces. It is important for the body as it protects nerves, makes cell membranes and certain hormones. But high levels of cholesterol can be dangerous.
High cholesterol can cause fatty deposits to gather in the arteries. Gradually, these deposits grow and interrupt the flow of blood through the arteries. This can form blood clots and increase the risk of heart attack or stroke.
HDL (high-density lipoprotein) is called “good” cholesterol. It takes cholesterol to your liver, where it is flushed out of your body. This reduces the risk of cholesterol collecting at the wall of your arteries, which helps to keep you healthy.
LDL (low-density lipoprotein) is called “bad” cholesterol. It takes cholesterol directly to your arteries. Excess amounts of cholesterol sometimes cause a plaque buildup which increases the risk of blood clot in the arteries, which can eventually lead to a heart attack or stroke.
VLDL is very-low-density lipoprotein produced in the liver and carried through your bloodstream into your body. VLDL mainly carries triglycerides into your blood vessels. Like LDL, VLDL is also considered “bad” cholesterol as too many triglycerides can build up deposits in your artery walls and make them narrow. This restricts blood-flow, and can also lead to serious health issues.
Poor cholesterol levels are usually found in adults, particularly those over the age of 40. This is because as you get older, your body becomes worse at removing LDL cholesterol. You are also more likely to have high cholesterol if you’re a smoker, a drinker, have a bad diet, lead a sedentary lifestyle or are overweight or obese.
It can occur in children, usually by an inherited disorder called familial hypercholesterolemia, which doesn’t let the body recycle LDL cholesterol properly. It is important that you check your cholesterol levels regularly, particularly if you’re at risk, so that you can begin treating it before it creates bigger problems.
It’s unclear just how common high cholesterol is, partly because so many people have it without knowing. But in 2008, the global prevalence of raised total cholesterol among adults was estimated at 39% (37% for males and 40% for females).
So it’s definitely common. And if global obesity continues to rise then it’s only going to become more widespread.
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Indicator Metadata Registry Details.
Long-Term Safety and Efficacy of Lowering Low-Density Lipoprotein Cholesterol With Statin Therapy. Circulation, 133(11), pp.1073–1080.
A widely used tablet medication to lower cholesterol and help prevent a heart attack or stroke.
Tablets used to treat high cholesterol levels simply, quickly and effectively.
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