Is Sunlight the Missing Key to Longevity? | Jonathan Jarecki episode artwork

EPISODE · Aug 18, 2026 · 38 MIN

Is Sunlight the Missing Key to Longevity? | Jonathan Jarecki

from The Lisa Fischer Said Podcast

What if Circadian Rhythm and Hormone Balance starts with something as simple as stepping outside every morning?     Host Lisa Fischer welcomes Jonathan Jarecki for an eye-opening discussion on how sunlight influences nearly every system in the human body. From the latest longevity research to the hidden dangers of artificial lighting, Jonathan explains why light is much more than a source of vitamin D—it acts as one of the body's most powerful biological signals.     Throughout the episode, Lisa and Jonathan explore studies involving hundreds of thousands of participants, debunk myths about melanoma, explain the difference between healthy sun exposure and sunburn, discuss vitamin D supplements versus natural sunlight, and reveal how indoor lighting may impact blood sugar, mitochondrial health, sleep, and overall wellness.     Whether you're already exploring circadian health or just beginning your journey, you'll leave this episode with practical strategies you can start using today.     👉 Subscribe to the Lisa Fischer Said Podcast, join the newsletter at https://lisafischersaid.com/podcast/, and follow @lisafischersaid for more.     Here's where to find Jonathan:   Website: https://jonathanjarecki.komi.io/ Instagram: https://www.instagram.com/jonathanjarecki/ Podcast:  The Signal with Jonathan Jarecki YouTube: https://www.youtube.com/@TheSignalWithJonathanJarecki     Here are more ways you can connect with Lisa:   Website:  https://lisafischersaid.com/ Instagram:  https://www.instagram.com/lisafischersaid/ Facebook:  https://www.facebook.com/lisafischersaid/ Health Coaching:  https://lisafischersaid.com/healthcoaching/ Lisa Fischer Said Academy:  https://lisafischersaid.com/academy/     Support our wonderful sponsors:   Ralston Family Farms:  https://www.ralstonfamilyfarms.com/ Akel's Carpet One:  https://www.akelscarpetone.com/ David's Beef:  https://davidsbeef.com/ Marlsgate:  https://marlsgate.com     The Lisa Fischer Said Podcast is produced by https://clantoncreative.com/

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Is Sunlight the Missing Key to Longevity? | Jonathan Jarecki

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