The liver is your body’s largest internal organ. About the size of a football and weighing around 3 pounds, the liver performs more than 500 functions. Some of its daily tasks include producing cholesterol, creating bile to help digest fats, and filtering deadly toxins from the blood. (Also, the liver holds about a pint of your body’s blood supply at any given moment.)
Despite its prowess, the liver is not invulnerable to illness. One of its greatest threats is nonalcoholic fatty liver disease (NAFLD), the most common liver disease worldwide.
To continue reading this article, you must log in.
Subscribe to Harvard Health Online for immediate access to health news and information from Harvard Medical School.
- Research health conditions
- Check your symptoms
- Prepare for a doctor's visit or test
- Find the best treatments and procedures for you
- Explore options for better nutrition and exercise
I'd like to receive access to Harvard Health Online for only $4.99 a month.Sign Me Up
Already a member? Login ».
About the Author
Matthew Solan, Executive Editor, Harvard Men's Health Watch
As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles.
No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.