1. Dr. FRED BUCKHOLD, SLU Care General Internist at SSM Health Saint Louis University Hospital, and a professor of medicine at St. Louis University School of Medicine.  What does Dr. Buckhold think about using animal organs for human transplants?  Also, what's his opinion on Zyn -- the controversial nicotine pouch that many younger people are now using?
2. Dr. JANIS STOLL, associate professor of pediatrics in the division of Pediatric Gastroenterology at Washington University School of Medicine -- specializing in liver transplantation at St. Louis Children's Hospital.  SARAH and KEVIN HERNANDEZ, parents of 6-month old EDEN - who just underwent a liver transplant at Children's Hospital.  What do we need to know about Eden's case?  How did her surgery go?  How long is the waiting list for a pediatric liver?  What is unique about the liver? What is the recovery like after a transplant for a child?  Why should everyone consider becoming an organ donor?
3. Dr. ADETUNJI TORIOLA, professor of surgery at Washington University School of Medicine -- and co-leader of the Cancer Prevention and Control Center at Siteman Cancer Center.  A new Wash U study finds breast cancer cases are on the rise in younger women in the United States -- between the ages of 20 and 49.  What accounts for the rise?  What prevention tips does he have for young women?  Should the screening age for mammograms be lowered?
4.  Dr. SANJAY GUPTA, CNN Chief Medical Correspondent and EMILY MULLIN, staff writer covering biotechnology at Wired Magazine.  Elon Musk has announced his Neuralink start up has successfully implanted a brain chip into a human being.  It is hoped that this chip will help people control a computer with just their thoughts.  How does this work?  Who would benefit the most?  ALS and Parkinson's patients?  How long till this is ready?  Any concerns?  Gupta and Mullin talked with CNN's JON BERMAN.