Episode 74 - The Importance of Light Exposure For Your Health with Jonathan Jarecki

🐚Topics coveredJonathan's shift from pre-med track to circadian biology researchCentral clock (SCN) & peripheral clocks governing every cell in the bodyWhat happens during first light exposure & sunrise contrast signalingCircadian dead zone myth: bright light still affects rhythm middayArtificial light at night classified as probable human carcinogenDiabetes research linking light exposure patterns to metabolic healthLight exposure strategies for people living in northern, dark winter climatesFire as ideal nighttime lighting with zero blue light disruptionWomen's shorter circadian rhythm & increased sensitivity to light cuesDermatology's circadian blind spot & DNA repair protein timingNewborn brain development through non-visual light exposureJonathan's personal daily light routine & meal timing practicesAbout Jonathan Jarecki Jonathan is an undergraduate student at Davidson College studying Biology and Neuroscience on the PhD track, with a passion for translating complex science and health topics to the general public.Where to find Jonathan Jarecki📷 Instagram: @jonarhanjareckiYouTube handle: TheSignalwithJonathanJareckiWebsite: https://jonathanjarecki.komi.io/? About the HostI’m Iris Josephina, a functional hormone specialist, orthomolecular hormone coach, circadian biology practitioner, and entrepreneur. Through Cycle Seeds and The Inner Rhythms Podcast, I support people in reconnecting with their cyclical nature, deepening body literacy, and reclaiming hormonal harmony from a place of sovereignty and embodied knowledge. Most people know me from Instagram, where I share stories, tools, and inspiration on cyclical living, menstrual cycles, fertility, hormones, and more. Let’s stay connected:📸 Instagram: https://www.instagram.com/cycleseeds 📧 Join my newsletter: https://www.cycleseeds.com/cyclseeds-newsletter 💻 Visit the Cycle Seeds website: https://www.cycleseeds.com/ 📝 Check out the blog: https://www.cycleseeds.com/blog📚Join my courses: https://www.cycleseeds.com/courses-masterclasses 📊 Chart Your Cycle Masterclass: https://cycleseeds.plugandpay.nl/checkout/chart-your-cycle-37-f-a 🐚Join the CYCLICAL waitlist: https://www.cycleseeds.com/cyclical-waitlist