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 investigates some of the questions and concerns surrounding sunscreen. She speaks with skin cancer researcher Dr. Rachel Neale and Dr. 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