@Xyz Joke aside, not "me" saying but Science so mb you ought to check more 😏
For instance... According to Science, nowadays outdoor CO2 concentration equals what was the indoor concentration thirty years ago, with obvious nowadays indoor concentration even higher. Said CO2 impacts/"impairs" cognitive functions, meaning the more CO2 in air, the dumber humanity becomes.
Or you can also look for medical studies explaining how addictions impair cognitive functions as well.
etc
For instance... According to Science, nowadays outdoor CO2 concentration equals what was the indoor concentration thirty years ago, with obvious nowadays indoor concentration even higher. Said CO2 impacts/"impairs" cognitive functions, meaning the more CO2 in air, the dumber humanity becomes.
Or you can also look for medical studies explaining how addictions impair cognitive functions as well.
etc