this post was submitted on 08 May 2025
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United States | News & Politics
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There is certainly scientific evidence to back that up:
https://hscnews.unm.edu/news/hsc-newsroom-post-microplastics-human-brains
Edit:
Although, I think that another major factor at play is due to overpopulation and the effects of that as shown by various experiments, including those conducted by Dr Calhoun.
https://youtu.be/iOFveSUmh9U
https://www.smithsonianmag.com/smart-news/this-old-experiment-with-mice-led-to-bleak-predictions-for-humanitys-future-180954423/
Reproductions of those experiments don't reliably work, and it's very questionable whether the results can be transferred to humans, who have very different social structures.
This is kinda like that "alpha wolf" experiment.
Increased CO2 in the atmosphere also has a negative effect on brain power. And CO2 is increasing every year.
The entire global population could fit into Nevada at the population density of Manhattan (a city borough with nearly 100,000 vacant housing units). We don't have an overpopulation problem, we have a resource distribution problem.
I really don't think that overcrowding is doing it. Look at the United States, we're absolutely sprawled out as a motherfucker. Modesto looks like a bomb went off that blew away everything taller than one floor. We're suffering from a huge loneliness epidemic.
Maybe instead it's the perception of crowdedness? It could be that we're only wired to receive a certain amount of social stimulation, and at that, from a fairly small group. The Internet has stuck a stick of dynamite in that and blown it all over the beach. Maybe it's just more than we're wired to cope with?
Our natural habitat consists of living in tribes of roughly 100-120 people as hunter-gatherers. How could people not have difficulty functioning in this modern world?
What problems would be solved by making it so that you are unlikely to ever know more than a couple hundred people?
Not differencing but the photo shows a very much uncrowded residence.
Society rewards psychopaths too often.