The researchers associate pollution with diabetes by referring to previous evidence that suggest PM2.5 particles, when inhaled, reduce the body’s ability to respond to insulin.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/explained-snippets-32-million-diabetes-cases-linked-air-pollution-study-estimates
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/undefined