In the study, air quality in cities across the nation was closely monitored, while the health data of 420,000 people was analysed, with participants in low-emission zones in Antwerp, Brussels and Ghent, and 17 control cities with no such zones.

Credits: envato elements; Author: donut3771;

This report supports existing research that links air pollution, particularly particulate matter and nitrogen dioxide, with an increased risk of type 2 diabetes.