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SOS for the liver

The liver is a regenerative miracle that can put up with a lot, but at some point it reaches its limits. In addition to alcohol abuse as a separate cause of a fatty liver, an unhealthy lifestyle is also particularly damaging to the liver.
Marta Campbell
03.11.2021  12:00 Uhr

One consequence can be the non-alcoholic fatty liver disease (NAFLD), which includes a spectrum of liver diseases. NAFLD can be associated with type 2 diabetes, lipometabolic disorders and generally high levels of body fat. But metabolically healthy normal-weight people are also affected. The combination of low muscle mass and high abdominal fat is usually a risk factor. The patients appear slim from the outside and the body mass index (BMI) is below 25, which is within the range of normal weight. However, the BMI does not take into account the ratio of fat and fat-free mass or muscle mass. But this is exactly the problem of many apparently slim fatty liver patients. A sedentary lifestyle with little physical activity, coupled with a high-carbohydrate diet, leads to a dangerous redistribution of body mass without necessarily causing obesity.

Hardly any symptoms

The body stores excess fat in the liver cells. The hepatocytes inflate as a result, and in severe cases the liver swells to twice its volume. Unlike other organs, however, the diseased liver usually causes few problems. Occasionally, there is a pain of tension in the right upper abdomen, but a typical clinical picture usually only appears when irreversible damage has already occurred. Increased liver values can give the doctor clues to the disease, but a fatty liver is often an incidental finding during an ultrasound examination. The doctor can determine how advanced the disease is by taking a biopsy. Factors such as alcohol abuse, hepatotoxic medication or relevant previous illnesses should be clarified in the medical history.

Fatty liver in itself is not yet a health problem. However, the liver is damaged at the latest when the organ becomes inflamed (non-alcoholic fatty liver disease, NASH). Experts estimate that about 10 percent of people with NAFLD also develop steatohepatitis. This inflammation rapidly progresses the disease. Liver cells continually die and fibrous scar tissue forms. The initially swollen organ shrinks and the liver cells lose their function. Finally, cirrhosis will result. This stage is irreversible and increases the risk of hepatocellular carcinoma (HCC). However, liver cancer can also occur in NASH without cirrhosis having developed first. Fatty liver is therefore not to be taken lightly. The good news is that it can completely disappear if treated early and consistently.


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