One of the most dangerous plays in football, the kickoff, is getting a makeover this year. The NFL introduced new rules aimed at reducing injuries while also making the game more exciting. Sanjay talks with Dr. Allen Sills, the NFL’s Chief Medical Officer, about the future of football, how to balance safety with excitement, and what it’s like to be brain doctors who love a dangerous game. Learn more about your ad choices. Visit podcastchoices.com/adchoices [https://podcastchoices.com/adchoices]

Anxiety and depression are surging on college campuses, according to research from the University of Michigan. Two in five teens say they feel persistently sad or lonely, in a recent report [https://www.cdc.gov/yrbs/dstr/index.html] from the U.S. Centers for Disease Control and Prevention. Sanjay sits down with psychologist Dr. Nance Roy to unpack why college student mental health was declining long before the pandemic, what’s impacting students’ wellbeing, and some steps to foster a healthy semester. Learn more about your ad choices. Visit podcastchoices.com/adchoices [https://podcastchoices.com/adchoices]

New developments in actor Matthew Perry’s death are shining a light on the ethics and efficacy of using ketamine as a therapeutic drug. To learn more about the promise and pitfalls of ketamine treatment, CNN’s Chief Medical Correspondent Dr. Sanjay Gupta turns to David Feifel, one of the first clinicians in the country to use ketamine to specifically treat depression. Learn more about your ad choices. Visit podcastchoices.com/adchoices [https://podcastchoices.com/adchoices]

This has been the hottest summer on record for nearly 100 US cities. Extreme heat isn't just uncomfortable, it can also cause a lot of harm -- even death. Dr. Sanjay Gupta talks to Dr. Gaurab Basu, a Harvard assistant professor and climate change expert about the very real effects of extreme temperatures on the human body.  Learn more about your ad choices. Visit podcastchoices.com/adchoices [https://podcastchoices.com/adchoices]

We've all heard about the importance of wearing sunscreen, but recent headlines have raised questions about the safety and effectiveness of certain ingredients found in chemical sunscreens. In this special Chasing Life: Spotlight, CNN Medical Correspondent Meg Tirrell [https://www.cnn.com/profiles/meg-tirrell] investigates some of the questions and concerns surrounding sunscreen. She speaks with skin cancer researcher Dr. Rachel Neale [https://www.qimrberghofer.edu.au/people/rachel-neale/] and Dr. Laura Vandenberg, [https://www.umass.edu/public-health-sciences/about/directory/laura-vandenberg] who studies potential effects of certain sunscreen chemicals on hormone function. Hear about the latest findings on ingredient safety and how they could impact your daily sun protection routine.  Learn more about your ad choices. Visit podcastchoices.com/adchoices [https://podcastchoices.com/adchoices]