 We're in the middle of a summer of heat waves, and the consequences are real. You know, just simply being dehydrated, hyperthermia, where your body temperature accumulates to a dangerously high temperature. All those things are at play when we see temperatures rising. I'm Kristen Schwab. The increasingly riskier risks of high heat to cities and its residents and workers, next time on Marketplace. Tonight at 6.30 on WSHU Public Radio.