Can years teaching in a classroom make you less likely to get sick? Dr. Sanjay Gupta answers a listener’s question about immunity and shares smart strategies for supporting your immune system as cold and flu season kicks off. Plus, how you can get better sleep – and more of it – this fall.   Our show is produced by Eryn Mathewson, Jennifer Lai, Grace Walker, Lori Galaretta, Jesse Remedios, Sofia Sanchez, Kyra Dahring, and Madeleine Thompson.    Medical Writer: Andrea Kane   Showrunner: Amanda Sealy   Senior Producer: Dan Bloom   Technical Director: Dan Dzula  Learn more about your ad choices. Visit podcastchoices.com/adchoices