Does masturbation and porn decrease intelligence?

[Alex_Gamer]

My friend masturbates to porn once a week, I feel like this is decreasing his intelligence, is this true?

[fschmidt]

I have seen no evidence that masturbation decreases intelligence, but I have seen evidence that gaming decreases intelligence.

[Alex_Gamer]

Why does gaming decrease intelligence?

[fschmidt]

"Why?" is speculative.  Here is evidence that it does:

https://bigthink.com/health/screen-time-nih-study-60-minutes/

My speculation as to why is that gaming and online activities reduce quiet time of introspection and reduce attention span so that people lose the ability to think deeply about anything.

[Clarkton]

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[fschmidt]

Clarkton wrote

I assume you think social media also decreases intelligence for the same reasons?

Yes