Take a moment to think about how much the world has changed in the last 50 years.
International travel in a matter of hours, rather than weeks.
Communication.
Media.
Internet.
Humans have been around for a few hundred thousand years. Think about the evolution of homo sapiens from all the previous iterations – homo habilis, Neanderthals – to “civilization.” That was 10s of THOUSANDS of years.
Is it surprising that your brain has not been able to evolve quickly enough to deal with managing the speed of life?