In this episode of the Gas Exchange podcast, host Keith Lamb and co-host Thomas Piraino welcome Dr. Arzu Ari, a leading expert in aerosol medicine. They discuss the evolution of aerosol drug delivery, particularly the impact of HFNC and the concept of transnasal aerosol drug delivery. Dr. Ari shares insights from her extensive research, emphasizing the importance of flow rates in aerosol delivery efficiency and the need for individualized patient care. The conversation also addresses common misconceptions in aerosol therapy, the challenges faced during the COVID-19 pandemic, and the critical role of education in improving clinical practices. Dr. Ari highlights the necessity for further research in aerosolized medications and advocates for a holistic approach to aerosol therapy.