Air Pollution Linked to Increased Risk of Developing Epilepsy

Recent research indicates a potential link between air pollution exposure and the development of epilepsy, a neurological disorder characterized by recurrent seizures. The study, published in the journal Epilepsia, was conducted by scientists from the London Health Sciences Centre Research Institute (LHSCRI) and Western University's Schulich School of Medicine & Dentistry. It examined long-term exposure to various air pollutants among adults in Ontario and found notable associations with new epilepsy cases.

The researchers specifically focused on fine particulate matter (PM2.5) and ozone, both common components of air pollution. Their findings revealed that increased exposure to fine particulate matter elevated the risk of developing epilepsy by approximately 5.5%, while higher ozone levels were linked to a nearly 10% increase in risk. This suggests that environmental air quality plays a significant role in neurological health.

Using data from the Canadian Urban Environmental Health Research Consortium, linked with Ontario's health records, the study identified 24,761 new epilepsy cases over a six-year period among adults without prior major health conditions like brain cancer. This is the first study to utilize such comprehensive databases to establish a direct connection between long-term air pollution exposure and the onset of epilepsy in Ontario.

The findings underscore the importance of environmental policies aimed at reducing air pollution, as well as increasing healthcare resources in highly polluted areas. Dr. Jorge Burneo emphasized that understanding these environmental impacts could lead to preventative strategies and improved public health outcomes.

Given that the World Health Organization reports that 99% of the global population breathes air exceeding safe quality limits, the implications of this research are broad and urgent. Epilepsy affects approximately every six in a thousand individuals worldwide, and many patients do not respond effectively to medication. Therefore, reducing environmental risk factors like air pollution could significantly impact the incidence of this brain disorder.

Looking forward, the research team plans to investigate other environmental influences, such as forest fires, and their potential effects on neurological health. This study highlights the critical intersection of environmental and human health, aiming for a healthier planet and population.

Source: https://medicalxpress.com/news/2025-05-air-pollution-epilepsy.html