Antidepressants and antianxiety medications decrease libido as well.
Edit: Also an unhappy relationship often can lead to poor sex, depression, and anxiety.
And countries without those things perhaps don't?
Which are the correlations that actually matter?
There’s nothing magic about soil. You need to give time for waves of immigrants to integrate, or it leads to backlash and horrible people like Trump getting elected.
No thanks. Feel free to go conduct extreme social experiments with your own life, not mine.