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 <a href="https://www.cnn.com/profiles/meg-tirrell">Meg Tirrell</a> investigates some of the questions and concerns surrounding sunscreen. She speaks with skin cancer researcher <a href="https://www.qimrberghofer.edu.au/people/rachel-neale/">Dr. Rachel Neale</a> and <a href="https://www.umass.edu/public-health-sciences/about/directory/laura-vandenberg">Dr. Laura Vandenberg,</a> 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 <a href="https://podcastchoices.com/adchoices">podcastchoices.com/adchoices</a>

‘A Silent Killer’: Extreme Heat and Your Health

All over the world, there are people who are living extraordinary lives, full of happiness and health – and with hardly any heart disease, cancer or diabetes. Dr. Sanjay Gupta has been on a decades-long mission to understand how they do it, and how we can all learn from them. Scientists now believe we can even reverse the symptoms of Alzheimer’s dementia, and in fact grow sharper and more resilient as we age. Sanjay is a dad – of three teenage daughters, he is a doctor - who operates on the brain, and he is a reporter with more than two decades of experience - who travels the earth to uncover and bring you the secrets of the happiest and healthiest people on the planet – so that you too, can Chase Life.