Why the air you breathe could be hurting your liver

Written by Dr. Victor Marchione
Published on


Air you breathe could be hurting your liverIt’s hard to pinpoint when our liver is sick, which is why it’s so important to always pay attention to your body and recognize the signs. Symptoms of an unwell liver include loss of appetite, weight loss, yellowing of the skin and bruising, just to name a few. Because many of the symptoms associated with a sick liver can be confused with other ailments, it’s often overlooked as the root cause.

It’s important to note that non-alcoholic fatty liver disease (NAFLD) is on the rise. This means people are developing sick livers without even consuming excess amounts of alcohol.

There are many contributing factors that can lead to an unhealthy liver, such as sugar consumption, being overweight and alcohol consumption, but the latest research suggests the very air we breathe could also be poisoning our livers.

Air pollution linked with liver disease

The findings were published in the Journal of Hepatology, where researchers uncovered that air pollution contributes to fibrosis – scarring of the liver – which leads to liver disease. The researchers, from Wayne State University, experimented with high-concentration airborne particle matter known as PM2.5 in order to determine the association between air pollution and liver disease.

Previous research on PM2.5 revealed that it was linked with metabolic disease, liver cancer and fibrosis.

Numerous studies have focused on air pollution and lung health, but researchers have theorized that it could be detrimental to the liver as well. The liver can become affected by air pollution because it is the body’s detoxification center.

PM2.5 is a mixture of diesel and gasoline from engines, road dust, tires and brakes. PM2.5 is the most abundant form of air pollution in urban areas.

The research was conducted in Detroit, which is ranked as the city with the highest readings of PM2.5.

Animal models were exposed to PM2.5 in real life scenarios over the course of 10 weeks. The researchers found the animals developed fibrosis, and the stress response triggered by PM2.5 caused inflammation.

Research lead, Kezhong Zhang, Ph.D., said, “Our work has a major impact on medical care and health policymaking for the populations under air pollution environment. Liver fibrosis is an advanced stage of chronic liver injuries caused by chronic hepatitis viral infection, obesity, alcoholism, or autoimmune diseases. Our work defined that air pollution, specifically PM2.5 pollutant, is an independent risk factor of liver fibrosis. This is very significant in terms of identifying new health risk factors and understanding liver diseases. The molecular and cellular mechanisms we revealed in this work have very important implications in clinical disease diagnosis and treatment associated with air pollution.”

The researcher’s advice is for those who endure daily traffic to pay close attention to liver biomarkers and enzymes, which could indicate liver disease.


Related Reading:

The one thing for a healthy liver

Liver-mortality has moved its way to being one of the top 12 causes of death within the United States. Nonalcoholic fatty liver disease (NAFLD) has risen to be the most common form of liver disease in the Western world. Previously NAFLD was deemed a benign condition, but as research continues to grow it has been found that NAFLD can actually be quite dangerous and lead to cirrhosis – a nonreversible form of liver disease which can contribute to death. Continue reading…

The one thing worse for your liver than alcohol

When discussing liver disease, alcohol comes up a lot. We know that everything we take in passes through the liver, and alcohol weighs heavily on the highly important organ. But there is another culprit that is often overlooked in discussions regarding the liver, even though it is a large contributor to nonalcoholic fatty liver disease (NAFLD). Continue reading…

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On any matter relating to your health or well-being, please check with an appropriate health professional. No statement herein is to be construed as a diagnosis, treatment, preventative, or cure for any disease, disorder or abnormal physical state. The statements herein have not been evaluated by the Foods and Drugs Administration or Health Canada. Dr. Marchione and the doctors on the Bel Marra Health Editorial Team are compensated by Bel Marra Health for their work in creating content, consulting along with formulating and endorsing products.

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