Cholesterol has a bad reputation – yet our body needs it every day. It is a component of our cell membranes and a raw material for, among other things, steroid hormones and bile acids. The real issue can arise from permanently elevated levels of certain blood lipids.
This article explains what lies behind terms like LDL and HDL, how blood lipid levels are measured and classified, and what role diet, exercise, and other lifestyle habits play.
Cholesterol is a fat-like substance that the body produces itself. Additionally, cholesterol is absorbed through food.
Because cholesterol is not water-soluble, it is transported in the blood along with other fats and proteins in so-called lipoproteins. The abbreviations LDL and HDL are particularly common in this context.
If there is a lot of LDL cholesterol in the blood over a long period, cholesterol can penetrate the vessel wall and contribute to the formation of atherosclerotic deposits. Such changes can develop over many years.
However, personal cardiovascular risk does not depend solely on cholesterol. Factors such as blood pressure, smoking, diabetes, family predisposition, age, and other health factors also play a role.
Elevated cholesterol levels generally do not cause noticeable symptoms. They are therefore often only detected during a blood test.
For some people, significantly elevated LDL levels are genetic. One example is familial hypercholesterolemia. Those affected have elevated LDL levels from birth and thus have a higher lifelong burden of LDL cholesterol. Medical supervision is particularly important in this case.
Blood lipids are determined through a blood test. This typically involves looking at various values, including total cholesterol, LDL cholesterol, HDL cholesterol, and triglycerides.
There is no single LDL target value that applies equally to everyone. The values to aim for depend on personal cardiovascular risk. This takes into account age, blood pressure, smoking, existing conditions, and family history, among other factors.
A laboratory value should therefore not be assessed in isolation. The individual classification is performed by a physician.
Besides LDL and HDL, lipoprotein(a), or Lp(a) for short, also plays a role in assessing cardiovascular risk. It is a lipoprotein whose concentration is largely genetically determined.
Elevated Lp(a) levels can be associated with a higher risk for atherosclerotic cardiovascular diseases. Current European guidelines therefore recommend considering a measurement of Lp(a) at least once in adulthood.
Lp(a) is not automatically part of every routine blood lipid test. Those who would like to know whether a measurement makes sense in their case can bring this up at their next medical check-up.
In addition to genetic predisposition, diet, exercise, smoking, and other lifestyle habits can influence blood lipids and the general cardiovascular risk.
When it comes to diet, it is not just the amount of fat eaten that matters, but also the type of fat. A balanced diet prioritizes plant-based foods and sources of unsaturated fatty acids. These include, for example, vegetable oils, nuts, and seeds. Foods with a high proportion of saturated fatty acids should be consumed more sparingly.
Vegetables, fruits, legumes, and whole-grain products are also part of a varied diet. Instead of classifying individual foods as "good" or "bad" for cholesterol levels in isolation, the overall dietary pattern is decisive.
Regular exercise complements a heart-healthy lifestyle. It does not always have to be intensive sports: brisk walking, cycling, climbing stairs, and more movement in everyday life also count.
Cholesterol is primarily found in animal-based foods. How much cholesterol from food affects cholesterol levels in the blood, however, differs from person to person.
For a heart-healthy lifestyle, the overall dietary pattern is therefore more important than focusing solely on the cholesterol content of an individual food.
A medical check of blood lipids is particularly important if elevated levels are already known, other cardiovascular risk factors exist, or if cardiovascular diseases have occurred in the family at a relatively young age.
Depending on the overall personal risk, lifestyle changes alone may not be sufficient. In that case, pharmacological lowering of LDL cholesterol may be necessary. Which treatment is suitable is decided on an individual basis by a doctor. Prescribed medication should not be changed or discontinued independently.
Cholesterol is indispensable for the human body. However, permanently elevated LDL levels can promote the development of atherosclerosis and increase the risk of cardiovascular disease.
The decisive factor is not a single laboratory value, but the total individual risk. Those who know their blood lipid levels, have them professionally assessed, and maintain a balanced lifestyle create a good foundation for their own cardiovascular health.
LDL and HDL are lipoproteins that transport cholesterol in the blood. LDL brings cholesterol to various tissues. HDL is, among other things, involved in transporting cholesterol back to the liver. Permanently elevated LDL levels play a central role in the development of atherosclerotic cardiovascular diseases.
Generally, no. Elevated cholesterol levels usually do not cause noticeable symptoms and are often detected during a blood test.
There is no uniform LDL target value for everyone. The values to aim for depend on personal cardiovascular risk. The individual assessment should be made by a physician.
The influence of dietary cholesterol on blood levels varies individually. For cardiovascular health, the overall dietary pattern is more important than looking at a single food in isolation. If blood lipid levels are significantly elevated, individual nutritional counseling can be helpful.
Lipoprotein(a), or Lp(a), is a lipoprotein whose concentration is predominantly genetically determined. Elevated levels can influence cardiovascular risk. A measurement can therefore be considered at least once in adulthood.
This depends on factors such as age, previous blood tests, underlying conditions, and other risk factors. A family doctor can determine on an individual basis when check-ups are appropriate.
Note: This article is for general information purposes only and does not replace medical diagnosis, advice, or treatment. If you have questions about your blood values, please consult your doctor. The content does not refer to HAWLIK products.
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Medicinal mushrooms with tradition
Medicinal mushrooms with tradition
