Just read the following article:
Depression Is a Disease of Civilization: Hunter-Gatherers Hold the Key to the Cure
Modern life can be a perpetual debilitating state of anxiety. Hunter-gatherers and the "stress" they deal with is of a different
nature to the stress that we often feel. Any "stress" hunter-gathers felt would presumably have been short lived. Escaping from a predator might have short term stress, but then there's the thrill of escaping from such a
predator, relying upon others to save your life, and you saving other
peoples' lives in your turn. It's living life in the raw and all the
thrill that entails.