It. Extreme heat may speed up our cognitive declines. Hear about it at Urban Legends and Stranger truths. In what feels like becoming an annual tradition, the entire world is ablaze again in a scorching hot summer. July 2023 was the hottest month recorded by scientists, with Western U. S. Cities like Phoenix experiencing record breaking heat waves. The heat certainly isn't inclusive or exclusive of the United States, as people all over the world have found themselves enduring much harsher summers in recent years