Life Expectancy With Fatty Liver Disease: Life expectancy with fatty liver disease we will share in this blog post. The fatty liver disease in other words Non- Alcoholic Fatty Liver Disease (NAFLD). The prevalence of non-alcoholic fatty liver disease (NAFLD) has increased significantly over the last few decades, which has caused it to become a major health concern around the world. It was previously thought to be a minor condition, but now NADLS has become a leading cause of chronic liver disease, affecting individuals of all ages and demographics.