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A bit of a weird question: Can modern medicine be a threat to humanity long-term by greatly reducing effects of natural selection? (lemmy.sdf.org)

submitted 5 months ago by user224@lemmy.sdf.org to c/asklemmy@lemmy.world

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OK, I hope my question doesn't get misunderstood, I can see how that could happen.
Just a product of overthinking.

Idea is that we can live fairly easily even with some diseases/disorders which could be-life threatening. Many of these are hereditary.
Since modern medicine increases our survival capabilities, the "weaker" individuals can also survive and have offsprings that could potentially inherit these weaknesses, and as this continues it could perhaps leave nearly all people suffering from such conditions further into future.

Does that sound like a realistic scenario? (Assuming we don't destroy ourselves along with the environment first...)

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[-] xav@programming.dev 7 points 5 months ago

You should watch the movie Idiocraty.

[-] just2look@lemm.ee 9 points 5 months ago

I’ve seen it. And less educated/poor doesn’t mean genetically less intelligent. And even if it did, all that means is a change in the average gene distribution. A large enough portion of every population still reproduces that we are unlikely to dead end any major gene variations. So we still maintain a diverse gene pool, and if something happens to make natural selection play a role, we still have enough variation to adapt to changes.

[-] mjhelto@lemm.ee 2 points 5 months ago

I think the point Idiocracy was trying to convey had less to do with the genetics of the stupid people breeding, and more so the downward spiral of intelligence due to policy societal and governmental changes. Dumb people, make dumb policy choices, including with regard to education. To me, it stands to reason that the downward slope of intelligence is percitpitated on how effective governmental policy is and how well education is distributed.

[-] just2look@lemm.ee 4 points 5 months ago

Agreed. Plus it is a satire. It was making a point. It wasn’t required to be factually accurate through the entire movie.

My disagreement was that there was any evolutionary downward pressure on human capability. We can do increasingly dumber things without it being a genetic change. Propaganda, indoctrination, and selective access to information can play a huge role in how people develop and ultimately behave.

this post was submitted on 18 May 2024

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