My guest is Dr. Roger Seheult, M.D., a board-certified physician in internal medicine, pulmonary diseases, critical care, and sleep medicine at Loma Linda University. We discuss the powerful benefits of light therapy, including infrared light, red light, and sunlight, for improving mitochondrial function in all the body’s organs. We also explore ways to reduce the risk of influenza, colds, and other illnesses that affect the lungs, sinuses, and gut. Topics include the flu shot, whether handwashing truly prevents illness transmission, and treatments for mold toxicity. We review the efficacy of N-acetylcysteine (NAC), the power of hydrotherapy for combating infections, and strategies for improving sleep and overall health. Additionally, we discuss air quality. This episode provides actionable, science-based tools for preventing and treating infectious illnesses. Read the full episode show notes: https://go.hubermanlab.com/3B2olpP *Thank you to our sponsors* AG1: https://drinkag1.com/huberman Joovv: https://joovv.com/huberman Eight Sleep: https://eightsleep.com/huberman LMNT: https://drinklmnt.com/huberman Function: https://functionhealth.com/huberman Our Place: https://fromourplace.com/huberman *Follow Huberman Lab* Instagram: https://go.hubermanlab.com/instagram Threads: https://go.hubermanlab.com/threads X: https://go.hubermanlab.com/x Facebook: https://go.hubermanlab.com/facebook TikTok: https://go.hubermanlab.com/tiktok LinkedIn: https://go.hubermanlab.com/linkedin Website: https://www.hubermanlab.com Newsletter: https://go.hubermanlab.com/newsletter *Dr. Roger Seheult* Med Cram: https://www.medcram.com Academic profile: https://llu.edu/academics/faculty/seheult-roger/education YouTube: https://www.youtube.com/@Medcram X: https://x.com/rogerseheult Instagram: https://www.instagram.com/medcram Threads: https://www.threads.net/@medcram Facebook: https://www.facebook.com/MedCram LinkedIn: https://www.linkedin.com/in/roger-seheult-514147b8 *Timestamps* #HubermanLab #Science #Health #ImmuneSystem Disclaimer & Disclosures: https://www.hubermanlab.com/disclaimer