To understand fear, we need to understand its’ evolutionary purpose. Fear is as old as life!

Fear is as old as life. We all experience it on a regular basis. Why do you say that it's as old as life? So because I always say to understand fear, we got to understand its evolutionary purpose. What is the purpose of it? Because in the modern-day life, it usually is seen as just an annoyance, as a bother, as a false signal, as something that is wrong. But in reality, it is impossible for such a deeply rooted function in us to just be a mistake. It has an evolutionary purpose. It evolved throughout the history of life to protect the organisms because your most basic need as a life is to exist. If you don't exist, you're not alive. System has evolved. Let's say this, the simplest form is you reach out, and actually Eric Kandel, who got Nobel Prize in neuroscience, was studying snails and how they shrink their antennas when you reach to them. And that's a very simple fear response, to the point that my colleagues here are researching brains of rats and mice to understand fear circuitry in us. And then we have also existential