Have you ever gotten a blood test report, seen words and numbers like Total Cholesterol, HDL, LDL, and thought, "What the hell is this?" This is a familiar experience for many people. Although we fear cholesterol, it is actually something that our bodies need. However, like anything, it is not good to have too much of it. So today, let's talk about the inside of this cholesterol story in a simple and friendly way.
What is this cholesterol?
Simply put, cholesterol is a fatty, oil-like substance in our blood. It is produced by our liver and also comes from some of the foods we eat. It is not just something that is in our body, it performs many very important functions.
- It helps build every cell in our body.
- Essential for producing hormones and tissues.
- Protects our nerves.
- It also helps in the digestive process.
But the problem starts when the balance between the "good" and "bad" types of cholesterol is lost. If the "bad" cholesterol increases and the "good" cholesterol decreases, it can lead to serious diseases like heart attack and stroke . Therefore, it is very important to maintain the right ratio of these two.
How do 'good' (HDL) and 'bad' (LDL) cholesterol affect our bodies?
It's important to understand the difference between the two. Think of our blood vessels as roads. Here's how these two types of cholesterol work.
| Cholesterol type | What it does and the impact |
|---|---|
| Good cholesterol (HDL - High-Density Lipoprotein) | This is like a 'sanitary worker' who cleans the streets. HDL cholesterol picks up unwanted bad cholesterol that has accumulated in the blood vessels and takes it back to the liver. In other words, it cleans our blood vessels. Having high HDL levels is very good. |
| Bad cholesterol (LDL - Low-Density Lipoprotein) | This is like someone throwing garbage on the street. When LDL levels increase, this extra cholesterol starts to stick to the walls of the blood vessels. This buildup is called plaque . This plaque gradually narrows and hardens the blood vessels. This condition is called atherosclerosis . |
If a plaque in a blood vessel suddenly ruptures, a blood clot can form at that location. If that blood clot blocks a blood vessel that supplies blood to the heart, a heart attack occurs. If a blood vessel that supplies blood to the brain becomes blocked, a stroke occurs.
That means, our goal should be to reduce bad cholesterol (LDL) and increase good cholesterol (HDL).
So what is Total Cholesterol?
The total cholesterol value in your blood report is higher than the sum of your HDL and LDL values. This is because it includes other types of fat in addition to HDL and LDL.
There is something important to understand here. Your Total Cholesterol may be high. But if the high value is due to your high good cholesterol (HDL) level, it is not a dangerous situation. That is actually a good thing. However, if the high Total Cholesterol is due to your high bad cholesterol (LDL) level, it is a dangerous situation. Therefore, it is essential to talk to your doctor about the details of your HDL and LDL without making decisions based on your Total Cholesterol value alone.
How to find the Cholesterol Ratio?
This is a very simple calculation. This ratio is obtained by dividing your total cholesterol value by your good cholesterol value (HDL).
For example, if your Total Cholesterol value is 200 and your HDL value is 50:
200 ÷ 50 = 4
That means your cholesterol ratio is 4:1.
Although some doctors use this ratio to monitor a patient's condition, LDL levels are usually the most important factor in treatment planning. So ask your doctor which values are most important to you.
What are triglycerides?
This is another type of fat in our blood. Like cholesterol, it is produced by our bodies and also comes from the foods we eat. Triglycerides can be raised, especially by foods high in saturated fat and trans fat, sugary foods, and simple carbohydrates. Also, if we eat more calories than we burn each day, those extra calories are converted into triglycerides and stored in the body.
Are there ways to control cholesterol levels?
Absolutely yes! There is nothing to worry about. This condition can be best controlled by making some simple lifestyle changes and, if necessary, taking medication as prescribed by a doctor.
| Method | Things to do |
|---|---|
| 1. Exercise | Engage in aerobic exercise, such as walking, running, or cycling, at least 5 days a week for 30 minutes a day. This increases HDL (good) cholesterol, reduces LDL (bad) cholesterol, and controls blood pressure. |
| 2. Healthy Diet | Reduce processed meats, fatty foods, and trans fats (baked goods, margarine). Instead, add foods rich in omega-3 fish like salmon and mackerel, oats, fruits, and vegetables, and foods rich in soluble fiber. |
| 3. Medication | If lifestyle changes alone don't control your levels, your doctor may prescribe medications like statins . These help lower LDL and triglycerides and slightly raise HDL levels. Never use these medications without a doctor's recommendation. |
It takes a while to get your cholesterol levels back in check. It may take at least three months of lifestyle changes and perhaps even daily medication. But the result of that hard work is a healthy heart and a life free from the risk of heart attacks and strokes. How worth it, right?
Take-Home Message
- Cholesterol is essential for our body, but maintaining its balance is very important.
- Try to keep the 'bad' cholesterol (LDL) level in your blood report low and the 'good' cholesterol (HDL) level high.
- High cholesterol levels are a major risk factor for heart attack and stroke. If you experience sudden chest pain or symptoms of stroke, go to the nearest hospital's Emergency Department (ETU) immediately.
- A healthy diet and daily exercise are the most basic and important steps in controlling cholesterol.
- Always discuss your cholesterol levels and treatment plan with your doctor. Avoid taking medication on the advice of others or on your own.
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