Sugary foods, processed meats and a lack of exercise are perhaps the first things that spring to mind when considering the causes of type two diabetes. Yet, scientists are now warning of another surprising cause that’s completely invisible and overlooked.

Worryingly, this culprit is pollution or, more specifically, ‘styrene’ and ‘ethylbenzene’, which are both derived from petroleum and used to create synthetic rubbers and resins. However, ethylbenzene is also commonly found in car emissions,…