Wikipedia
How does your brain feel when it is presented with challenging information?
Like it is being physically attacked.
Junk Food - information you want, not necessarily good for your brain
What is confirmation bias?
Tendency to believe facts that go along with what you already believe.
Why do people tend to believe facts that go along with what they already believe?
Brain doesn't want to challenge its beliefs; safer to believe what your group/tribe believes
What is the backfire effect?
When presented with information that goes against their beliefs, people's beliefs get even stronger.