3 ms·
These aren’t “new” substances. We have been using plastic for decades now and there isn’t clear knowledge that it is very bad to ingest. If it was super bad we
by PurpleFoxy 6y ago
These aren’t “new” substances. We have been using plastic for decades now and there isn’t clear knowledge that it is very bad to ingest. If it was super bad we would have seen the effects by now.
- PKop 6y agoTestosterone decline in men during that period (and yes, decades is a very short period of time in the context of health effects over time) would seem to corellate with phytoestrogen increase
- 867-5309 6y agodecades is new in the span of evolutionary history
- blix 6y agoIf you change enough variables at once, it's pretty hard to get clear knowledge of harm. We're not out there running controlled experiments on every new substance, or collecting robust data. The rapid rise of unexplained autoimmune disease over the past few decades (one of quite a few negative health trends) indicates that our knowledge of what is harmful is incomplete.
- sdenton4 6y agoLook up the history of leaded gasoline sometime... There were studies asserting a certain 'natural' level of lead in the bloodstream which we now consider quite toxic. But everyone was poisoned together, due to ubiquity, so it took a massive effort to get people to understand that something was wrong.
- amanaplanacanal 6y agoIt wouldn’t surprise me if plastic usage correlated strongly with rising obesity, but I don’t know if anybody has studied it. We might already be seeing effects but haven’t yet made the connection.
- pjc50 6y agoLead was in petrol for several decades.