Are humans getting dumber?

Human beings have changed from primates to adults with a 3-fold increase in brain volume, and now in the 21st century, which is the age of the information explosion, the human brain will increase further in order to adapt to more information, although the environment will affect human brain development. In a sense it will get smarter.

It is often thought that the popularity of televisions and computers has strengthened one aspect of human ability, and more generally it is thought that the Flynn effect occurs when the social environment improves, and when people have adequate nutrition, better education, and a colorful childhood, and people become smarter and smarter. The IQ gains are most pronounced in children who are struggling with poverty.