“It turns out that the more we pay for something—and the payment can take the form of money, time or physical pain, as with the filling of a cavity—we’re more likely to believe that the product or service is effective, and thus worth the cost. It’s perverse but true: pain makes us loyal, and the surest way to improve the performance of a product is to raise its price. … A painful surgery is like an expensive energy drink. We assume the intervention was effective because it would be too distressing to believe otherwise. Because if our dentist made a mistaken diagnosis then the pain was wasted: we endured the drill for no reason at all.”
Skilled hunters adapted to the changing landscape and left tantalizing clues to who they were.
Ways to move forward when you're wrong and I'm right.
Research suggests that to maintain a healthy brain, we should tend our gut microbiome.