If we're just spitballing, then what about the notion that many plastic pollutants function as estrogen analogues? In that case, you'd see less interaction with

If we're just spitballing, then what about the notion that many plastic pollutants function as estrogen analogues? In that case, you'd see less interaction within young women since at worst any estrogen would merely cause precocious puberty. With young men, the effects could be an utterly undefined space.