| Risk Factors Nonalcoholic fatty liver disease involves the
build-up of fat in the liver of people who drink little or no
alcohol. It is a common condition. NAFLD may not cause any
problems if it is mild. In some cases, it can cause inflammation
and scarring in the liver. If this is severe, it can cause liver
failure. Copyright © Nucleus Medical Media, Inc. When the liver
is unable to break down fats, they build up in liver tissue.
Many conditions and diseases make it difficult for the liver to
break down fats. NAFLD is more common in men and with increasing
age. Other factors that increase your chance of developing NAFLD
include: - Severe weight loss - Some medications - Exposure to
certain chemicals This disease often causes no symptoms. If
fatty build-up is causing the liver not to function well, you
may have symptoms. Symptoms may include: - Pain in the upper
right side of the abdomen - Muscle weakness - Itchy skin - Lack
of appetite - Weight loss Your doctor will ask about your
symptoms and medical hist