and trauma, and I have some evidence-based thoughts on how fear is abused in politics. We learn fear from tribe mates Like other animals, we humans can learn fear from experience, such as being attacked by a predator. We also learn from observation, such as witnessing a predator attacking another human. And, we learn by instructions, such as being told there is a predator nearby. Learning from our conspecifics – members of the same species – is an evolutionary advantage that has prevented us from repeating dangerous experiences of other humans. We have a tendency to trust our tribe mates and authorities, especially when it comes to danger. It is adaptive: Parents and wise old men told us not to eat a special plant, or not to go