Ed Uthman from Houston, TX, USA [creativecommons license] via Wikimedia CommonsChronic alcohol abuse can damage the liver, leading to fat accumulation, inflammation, fibrosis (as healthy tissue is replaced with scar tissue) and, eventually, cirrhosis, a late-stage disease in which fibrosis is extensive and irreversible. Not all cases of liver disease progress to cirrhosis, however. Findings of a new study suggest that specific genetic mutations might predispose some people to developing cirrhosis. The presence of these mutations could potentially be used to identify those individuals with greater risk.