The news here is not that air pollution is linked to cancer, but about what the underlying mechanism could be: > "However, the biological basis for how air pol

The news here is not that air pollution is linked to cancer, but about what the underlying mechanism could be: > "However, the biological basis for how air pollution causes cancer has remained unclear. Unlike smoking or sun exposure, which directly cause DNA mutations linked to lung and skin cancer, air pollution does not cause cancer by triggering such genetic changes."