What Is A Fatty Liver?

According to Wikipedia, "Fatty liver is a reversible condition where large vacuoles of triglyceride fat accumulate in liver cells via the process of steatosis.  Despite having multiple causes, fatty liver disease can be considered a single disease that occurs worldwide in those with excess alcohol intake, and those who are obese.  The condition is also associated with other diseases that influence fat metabolism."   

Is fatty liver grad 3dangerous .suggest diet for me

When we consume fat rich food then the fats in the body broken down by liver. When this process becomes abnormal the fats get gathered in liver and the liver becomes fatty. Fatty liver causes due to unhealthy diet, alcohol consumption, diabetes, lack of exercise etc.