CNN Central News & Network-ITDC India Epress/ITDC News Bhopal: New Delhi. Air pollution is generally linked to respiratory and heart-related diseases, but research is now also showing its connection with liver health. According to a recent report, a meta-analysis of research published in the journal Nanotoxicology assessed the findings of 46 research papers. It found an association between long-term exposure to air pollution and changes in liver enzymes, as well as an increased risk of fatty liver disease linked to metabolic dysfunction.
How can pollution affect the liver? Extremely small particles such as PM2.5 present in the air enter the body through breathing. Processes linked to pollution, such as inflammation and oxidative stress, can affect various organs of the body. Studies have also recorded changes in the levels of liver enzymes such as ALT and AST. However, these changes do not mean that every person has liver disease.
These people need to be more alert. People struggling with obesity: excess weight and metabolic problems can already increase the risk of fatty liver. Type-2 diabetes patients: diabetes and insulin resistance can affect liver health. Caution is also necessary over long-term exposure to pollution. Elderly people: with increasing age, the risk of diseases related to the liver and other organs can rise.
People who smoke: combined exposure to smoking and polluted air is an additional health concern. People living for long periods in polluted areas: continuous residence in areas with traffic, industrial emissions and poor air quality can increase the duration of exposure to pollution. Some studies have found an association between higher exposure to pollution and liver-related diseases.
What should be done to protect the liver? Limit outdoor activities when air quality is poor and keep an eye on the local Air Quality Index (AQI). Use a well-fitting N95 mask when needed. A balanced diet, regular physical activity, weight control and avoiding alcohol are useful steps for liver health. If there is already liver disease, obesity or diabetes, consult a doctor about appropriate tests and monitoring. At present, no fixed interval for liver testing has been established for all people solely on the basis of exposure to pollution.
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