Now in its fourth year, “Hadassah On Call: New Frontiers in Medicine” has explored groundbreaking medical solutions like stem cell harvesting and corneal transplantation; new treatments for cancer, cardiac disease and other often life-threatening illnesses; myriad aspects of COVID-19; chronic conditions like joint pain, sleeplessness and headaches; physical and emotional trauma, including sexual abuse and PTSD; and issues connected to sexuality, infertility and menopause, to name just some of the topics addressed over the course of almost 60 episodes.