La tesis fundamental de Easter es que los avances tecnológicos y sociales han superado nuestra biología. Durante el 99% de nuestra historia, los humanos vivieron en condiciones de escasez y peligro constante. Nuestros cuerpos y mentes evolucionaron para resolver problemas difíciles: cazar, escapar de depredadores, soportar el clima y sobrevivir.
One of the book’s most profound insights is the concept of . As we remove large problems from our lives, our brains don't necessarily become happier; instead, they simply lower the threshold for what they consider a problem. When we no longer have to worry about freezing to death or starving, a slow Wi-Fi connection or a slightly overcooked meal can trigger a stress response once reserved for life-threatening dangers. This "creeping" definition of hardship explains why, in the most comfortable era in human history, rates of anxiety and depression are higher than ever. Misogi: The Path of Voluntary Hardship
