This interview podcast features a neurosurgeon, Dr. Jack Kruse, discussing his unconventional approach to medicine, which centers on the impact of light on the human body. The conversation begins with Dr. Kruse recounting his personal journey of weight loss and subsequent exploration of the leptin-melanocortin pathway, leading to his theory that humans are carbon-based semiconductors that generate light internally. He then delves into the role of melanin, light frequencies, and the influence of environmental factors like sunlight and EMF on various health conditions, including obesity, myopia, and mental health issues. Dr. Kruse challenges conventional medical wisdom, highlighting the importance of understanding the body's interaction with light at an atomic level. A key takeaway is the concept that the body's response to light, particularly UV light, is crucial for various biological processes and that modern technology and lifestyle choices may be disrupting these natural processes.