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# Everyone with Fatty Liver Has This in Common! A Hidden Sign You Should Know About
Yet despite how quietly it develops, there is **one hidden sign that almost everyone with fatty liver shares**. It’s not something you’ll feel directly in your liver, and it doesn’t always show up clearly on routine blood tests. But it quietly affects your metabolism long before fatty liver is ever diagnosed.
That hidden sign is **insulin resistance**.
Understanding this connection could change how you view fatty liver—not as an isolated liver problem, but as a metabolic signal your body is sending long before serious damage occurs.
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## What Is Fatty Liver Disease?
Fatty liver disease occurs when excess fat accumulates in liver cells. While a small amount of fat in the liver is normal, problems begin when fat makes up more than 5–10% of the liver’s weight.
There are two main types:
### Non-Alcoholic Fatty Liver Disease (NAFLD)
* Overweight and obesity
* Type 2 diabetes
* High cholesterol and triglycerides
* Metabolic syndrome
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