Do you sometimes feel like you forget everything, can't keep your mind in one place, and feel like you're too lazy to do anything with your brain? We often think that this is due to overwork or stress in life. But have you ever thought that the health of your liver could also be a reason for this? Recent research has found that damage to the liver directly affects the functioning of our brain. Today, let's talk about this surprising connection.
First, let's see, what is this liver? What is its function?
Think about it, the liver is the biggest, busiest factory in our body. It's actually the largest organ in our body. The work it does is no small feat.
- Blood purification: It helps filter out toxins from the food, drinks, and medicines we consume and remove them from the body.
- Aiding digestion: The liver produces a fluid called "bile," which helps digest things like fat.
- Energy storage: The extra sugar we get from the food we eat is stored as glucose and released when we need energy.
- Protein production: This factory makes a variety of proteins needed for blood clotting and fighting disease.
Simply put, if the liver stops working, the functioning of our entire body will be disrupted.
So what is liver fibrosis?
This is very easy to understand. When you have a wound on your skin, after it heals, a scar remains there, right? The same thing happens to the liver. When the liver is continuously damaged for various reasons, as it tries to heal the damaged areas, thickening, scar tissue forms there. The first stage of scar tissue in the liver is what we call liver fibrosis, or Liver Fibrosis .
The important thing is that if this condition called Fibrosis is detected in the early stages, we can reverse it, that is, restore the liver to a healthy state. But if this continues, the liver becomes almost completely filled with scar tissue, becoming hard as a rock. We call this cirrhosis . Cirrhosis is a very serious, irreversible condition.
What are the main causes of liver damage and fibrosis?
There are several reasons that are seen among many people in our country. It is very important to be aware of these.
| Cause | A Simple Explanation |
|---|---|
| Non-alcoholic fatty liver disease (NAFLD) | A very common condition in our country. This condition is caused by the accumulation of fat in the liver due to factors such as weight gain (obesity), diabetes, and high cholesterol. |
| Excessive alcohol use | Long-term heavy alcohol consumption directly damages the liver and is a major cause of fibrosis and cirrhosis. |
| Viral Infections (Viral Hepatitis) | Hepatitis B and C viral infections can cause long-term inflammation and damage to the liver. |
| Other reasons | Some autoimmune diseases, long-term use of certain medications, and hereditary factors can also play a role. |
Okay, now tell me, what is this connection between the liver and the brain?
Here's the story. The latest research has found that as liver fibrosis progresses, a person's cognitive functions decline. What is this cognitive function?
- Working Memory: The ability to remember multiple pieces of information at the same time and perform a task.
- Prospective Memory: The ability to remember to do something at a later time (e.g., remembering to pick up groceries from the store in the evening).
- Processing Speed: The time it takes to see, understand, and respond to something.
Researchers found that people with liver fibrosis also had a reduced volume of gray matter, which controls memory and thinking.
So how does this happen?
Simply put, a damaged liver produces inflammatory chemicals . Just as when a fire breaks out in one part of our body, the smoke from it spreads throughout the body and affects other organs, these chemicals travel through the blood and reach the brain. When they reach the brain, they damage the delicate cells there and cause inflammation in the brain. That is what causes memory loss and difficulty thinking.
How do I know if I have Liver Fibrosis? What are the symptoms?
This is the most dangerous thing and one we all need to be aware of.
Liver Fibrosis is a silent disease . This means that in the early stages, it often does not show any symptoms . You can live a normal life without any problems.
Symptoms begin to appear after the liver has been severely damaged, which is when it reaches the stage of cirrhosis. This is when symptoms such as:
- Excessive fatigue and tiredness
- Yellowing of the eyes and skin (jaundice)
- Abdominal distension (due to fluid retention)
- Swelling of the legs and ankles
- Itchy skin
- Easy bruising or bleeding
Therefore, it is wise to seek medical attention early if there are risk factors, rather than waiting for symptoms to appear.
So what should we do to save both our liver and brain?
The best solution to this is to prevent the disease before it develops and to detect it at an early stage.
1. Early detection and medical advice
If you have risk factors such as diabetes, high cholesterol, obesity, or if you drink alcohol, be sure to talk to your doctor about this . He or she may order blood tests (Liver Function Tests - LFTs) and ultrasound scans. Sometimes a special scan called FibroScan may be recommended to accurately measure the extent of fibrosis in the liver.
2. A healthy lifestyle
This is the most important thing. These are the best things we can do to protect our liver.
- Healthy diet: Reduce sugar, sweetened beverages, fatty foods, flour foods, and processed foods as much as possible. Instead, add fresh vegetables, fruits, legumes, fiber-rich foods, and lean proteins like meat and fish to your diet.
- Weight control: Try to maintain a healthy weight for your height. Obesity is a major cause of fatty liver.
- Exercise regularly: Engage in exercise such as walking, running, or cycling for at least 30 minutes a day.
- Avoiding alcohol: If you drink alcohol, it is essential to stop it completely or use it in very limited amounts.
- Do not take medications without medical advice: Do not take any medications, especially painkillers, that your doctor has not prescribed. Some medications can be harmful to the liver.
Take-Home Message
- There is a direct connection between the health of your liver and the health of your brain. A healthy liver leads to a healthy brain.
- Liver fibrosis is the early stage of liver scarring. It can silently affect your memory and thinking skills.
- This condition often does not show symptoms in its early stages, so it is very important to see a doctor for a checkup if you have risk factors.
- The best part is that Liver Fibrosis, if detected in the early stages, is a condition that is almost completely reversible with lifestyle changes.
- If you have any concerns about your health, never be afraid to talk openly about it with your family doctor.


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