Summer is upon us, which means sunscreen should be, too. Dr. Sanjay Gupta explains the difference between mineral and chemical formulas, and how well they protect the body’s largest organ. Plus more tips for correct application, and other ways to stay sun-safe this season.  This episode was produced by Andrea Kane and Madeleine Thompson.   Medical Writer: Andrea Kane Showrunner: Dan Bloom Technical Director: Dan Dzula  Learn more about your ad choices. Visit podcastchoices.com/adchoices