I mean the people affected by lead are still around. There was lead in everything, the lead in gasoline was found in roadside dirt from the exhaust. Not to mention all the new chemicals we have started using in the last 100years. There is definitely going to be side effects from the plastics. Heck they have proof that obesity and diabetes in pregnant women increases the chances of babies being born with Autism. Apparently the mother’s blood sugar swinging around during critical brain development stage isn’t good for the developing brain. But they aren’t going to tell people that because they want to sell their unhealthy food.