"Life's no fun without a good scare." The Nightmare Before Christmas Hunter-gatherer life probably consisted of a lot of walking and standing, fairly infrequent eating, and the occasional short-lived scare. This sounds a lot like a trip to an amusement park. I just came back from Elitch's, where I did a lot of walking and standing in line and a little eating and riding the rides, where I felt like I was going to die. It left me wondering what effect it has on people when they never feel like they're in danger. It seems like it's common to feel an adrenaline rush, and then joy, when you escape a danger, real or perceived. At the 1989 World Series, a 6.9 magnitude earthquake struck Candlestick Park and shook the stands for what seemed like minutes, as one reporter described it . The crowd let out a cheer when it was over. People pay to go to amusement parks to have a similar experience: fear, focus, relief, joy, and maybe gratitude that it's over and they
Do-it-yourself health. Low-carb, mostly evolutionary.