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Apart from alcohol,there are other factors that may induce complications,which resemble alcohol-related liver disorders.In particular,obesity has been brought into focus as a risk factor for fatty liver disease.The term “non-alcoholic” fatty liver disease is commonly used to distinguish between obesity-related and alcohol-related hepatic steatosis.This review uses the epidemiological perspective to critically assess whether it is necessary and useful to differentiate between alcoholic and “nonalcoholic” fatty liver disease.The MEDLINE database was searched using the PubMed search engine,and a review of reference lists from original research and review articles was conducted.The concept to distinguish between alcoholic and “non-alcoholic” fatty liver disease is mainly based on specific pathomechanisms.This concept has,however,several limitations including the common overlap between alcohol misuse and obesityrelated metabolic disorders and the non-consideration of additional causal factors.Both entities share similar histopathological patterns.Studies demonstrating differences in clinical presentation and outcome are often biased by selection.Risk factor reduction is the main principle of prevention and treatment of both disease forms.In conclusion,alcoholic and “non-alcoholic” fatty liver diseases are one and the same disease caused by different risk factors.A shift from artificial categories to a more general approach to fatty liver disease as a multicausal disorder may optimize preventive strategies and help clinicians more effectively treat patients at the individual level.
Apart from alcohol, there are other factors that may induce complications, which resemble alcohol-related liver disorders.In particular, obesity has been brought into focus as a risk factor for fatty liver disease.The term “non-alcoholic” fatty liver disease is commonly used to distinguish between obesity-related and alcohol-related hepatic steatosis. This review uses the epidemiological perspective to critically assess whether it is necessary and useful to differentiate between alcoholic and “nonalcoholic” fatty liver disease. searched using the PubMed search engine, and a review of reference lists from original research and review articles was conducted. The concept to distinguish between alcoholic and “non-alcoholic” fatty liver disease is mainly based on specific pathomechanisms. This concept has, however, several limitations include the common overlap between alcohol misuse and obesityrelated metabolic disorders and the non-consideration of additional causal factors.Both entities share similar histopathological patterns. Studies demonstrating differences in clinical presentation and outcomes are often biased by selection. Risk factor reduction is the main principle of prevention and treatment of both disease forms. conclusion, alcoholic and “non-alcoholic ”fatty liver diseases are one and the same disease caused by different risk factors. A shift from artificial categories to a more general factors to a fatty liver disease as a multicausal disorder may be more effective treat patients at the individual level."