Excess weight, cholesterol and diabetes can cause fatty liver which may in some cases cause hepatitis or inflammation in the liver.

Autoimmune liver disease and iron overload can cause inflammation of the liver.

Alcohol can affect the liver and cause inflammation which, in the long term, can damage the liver permanently. 

Hepatitis B and C are viruses that can cause chronic (long term) inflammation and damage to the liver. These viruses are passed from person to person through body fluids.  For more information about Hepatitis B and C and their treatment see https://www.hepatitisfoundation.org.nz/ . Dr Kennedy does not offer a private service for viral liver disease.