"But let’s dig a bit deeper into the “stress is good for you” position. Some people make this claim less out of an interest in eliciting better performance than out of a conviction that kids need to be prepared to deal with hardship. [. . .] As far as I can tell, no evidence supports the hypothesis that today’s pressure, or exposure to unpleasantness, helps children cope with difficulties they’ll face tomorrow. Moreover, this strategy, like calls to teach kids “grit” or a “growth mindset,” is all about adjusting the individual rather than addressing the systemic factors that created the problem (for example, the unhealthy stress) for everyone."