> “We’re really not sure why some rural areas seemed to have what might be called a protective effect,” Richards-Steed says. “It’s certainly possible that parents and grandparents living in urban areas had different environmental exposures or experiences.”

> “What we can say, based on our findings, is what we are being exposed to now is probably not just affecting us or even our children but maybe even our children’s children.”

> “Evidence shows our environment has a deterministic effect on our growth and development, which includes the germline cells we carry for the next generation,” VanDerslice says.

tl;dr: a less toxic environment certainly helps