The Signal with Jonathan Jarecki

Publicly listed emails

wholehealthpod@gmail.com

Looking for the right person? Join Podseeker to find direct host and producer contacts and manage your podcast outreach.

Environmental Signals That Shape Your Health | Cameron Borg, MS

October 02, 2026

Cameron Borg, MSc, is a science writer and host of the Ricci Flow Nutrition Podcast, with a Master's degree in Medical Science majoring in Nutrition from The Karolinska Institute in Stockholm, Sweden, where he completed his thesis with the Zubarev lab on biological isotope fractionation.He explains that tissues across species appear to regulate their carbon-13 and nitrogen-15 content toward a preferred set point. This challenges ecology's long-held "static delta" assumption. He also explains ...

Why Sunlight Beats Vitamin D | Dr. Roger Seheult

August 22, 2026

In this episode, my guest is Dr. Roger Seheult, MD, is a physician quadruple board-certified in internal medicine, pulmonary disease, critical care medicine, and sleep medicine, an Associate Clinical Professor at the University of California, Riverside School of Medicine, an Assistant Clinical Professor at Loma Linda University, and the co-founder of MedCram. Today, he explains why vitamin D levels strongly predicted COVID-19 outcomes while vitamin D supplementation largely failed to reproduc...

Transform Your Mental Health With Sunlight | Dr. Sean Cain

July 31, 2026

In this episode, my guest is Dr. Sean Cain, PhD, a Harvard Medical School-trained expert in the impact of light on the human circadian system, a Matthew Flinders Professor at Flinders University, and Co-Founder and CEO of Circadian Health Innovations. Today, he discusses how people differ more than fiftyfold in how sensitive their circadian systems are to evening light, that nearly half of modern homes are bright enough at night to suppress melatonin by fifty percent, and that most of us have...