You can also read about
- Spiritually & religion
- Current events & politics
Read books on the subjects not Internet posts. They get easier to understand the more of them you read.
You’d be surprised how soon you realize how misinformed you (and others) are.
Many people think these topics are a waste of time. Then they cry foul when their lack of understanding costs them health, a job opportunity or the ability to follow an informed conversation (making them feel even dumber).