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

🐚Topics covered Jonathan's shift from pre-med track to circadian biology research Central clock (SCN) & peripheral clocks governing every cell in the body What happens during first light exposure & sunrise contrast signaling Circadian dead zone myth: bright light still affects rhythm midday Artificial light at night classified as probable human carcinogen Diabetes research linking light exposure patterns to metabolic health Light exposure strategies for people living in northern, dark winter climates Fire as ideal nighttime lighting with zero blue light disruption Women's shorter circadian rhythm & increased sensitivity to light cues Dermatology's circadian blind spot & DNA repair protein timing Newborn brain development through non-visual light exposure Jonathan's personal daily light routine & meal timing practices About 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: @jonarhanjarecki YouTube handle: TheSignalwithJonathanJarecki Website: https://jonathanjarecki.komi.io/?  About the Host I’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