>>13317168>Flynn effectRise in IQ observed in 20th century due to better nutrition and healthcare.
After the west reach peak nutrition.
The Flynn effect ceased stopped.
In 21th century the Flynn effect reversed, and younger generations are becoming dumber. Mainly:
#1 Low IQ immigration from 3rd world (Mexico, Middle East, India, Africa) into the 1st world, bringing the averages down.
#2 Zoomer addiction to internet, videogames and porn (associated to ADHD and shorter attention-span)