Learn About Non-Alcoholic Fatty Liver Disease

What is the definition of Non-Alcoholic Fatty Liver Disease?

Non-alcoholic fatty liver disease (NAFLD) is a buildup of excessive fat in the liver that can lead to liver damage resembling the damage caused by alcohol abuse, but that occurs in people who do not drink heavily. The liver is a part of the digestive system that helps break down food, store energy, and remove waste products, including toxins. The liver normally contains some fat; an individual is considered to have a fatty liver (hepatic steatosis) if the liver contains more than 5 to 10 percent fat.

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What are the causes of Non-Alcoholic Fatty Liver Disease?

The specific causes of NAFLD are unclear. Genetic variations and environmental factors contribute to the development of this complex disorder.

What are the different types of Non-Alcoholic Fatty Liver Disease?

Common conditions include: Nonalcoholic Steatohepatitis (NASH)

How prevalent is Non-Alcoholic Fatty Liver Disease?

NAFLD is a very common disorder, occurring in about 25 percent of the global population. Its prevalence is increasing along with the rising prevalence of obesity in industrialized societies, and it is now the most common chronic liver disorder in Western countries, including the United States. NAFLD is more prevalent in individuals of Hispanic, Native American, or Asian ancestry than in individuals of European or African ancestry.

Is Non-Alcoholic Fatty Liver Disease an inherited disorder?

An increased risk of developing NAFLD can be passed through generations in families, but the inheritance pattern is unknown. Variations in several genes as well as lifestyle and environmental factors contribute to the risk of developing this complex disorder.

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Who are the sources who wrote this article ?

Published Date: November 01, 2016Published By: National Institutes of Health

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