It’s a fact that summers around the world are reaching record-breaking temperatures. Heat-related illness and death have hit a crisis point, and staying cool is more important than ever. On this week’s episode of Well, Now we speak with someone living in one of the country's hottest states.  Dr. Richard Carmona is a career first responder with more than 50 years of experience caring for people in crisis. A veteran of the U.S. Army as a special forces medic, Carmona also served as the 17th U.S. Surgeon General under President George W. Bush. Currently, Carmona is a professor at The University of Arizona in Tucson. If you liked this episode, check out: How a Former Surgeon General Took on a $5,000 ER Bill Well, Now is hosted by registered dietitian nutritionist Maya Feller and Dr. Kavita Patel. Podcast production by Vic Whitley-Berry with editorial oversight by Alicia Montgomery. Send your comments and recommendations on what to cover to wellnow@slate.com Want to listen to Well, Now uninterrupted? Subscribe to Slate Plus to immediately unlock ad-free listening to Well, Now and all your other favorite Slate podcasts.  Subscribe now on Apple Podcasts by clicking “Try Free” at the top of our show page. Or, visit slate.com/wellplus to get access wherever you listen. Learn more about your ad choices. Visit megaphone.fm/adchoices