If you've ever dismissed a sauna as a spa luxury, this episode
will change your mind. In this episode, Connie Zack, co-founder
of Sunlighten, breaks down how infrared light interacts with the
body at the cellular level — and why it's genuinely different
from just getting hot.
Connie covers all four wavelengths, the SoloCarbon blood pressure
trials, why deliberately exposing yourself to heat can actually
reduce hot flash frequency, how infrared shifts you from
sympathetic to parasympathetic in minutes, and the full case for
sauna as passive cardio. She also gets into the practical stuff:
minimum effective dose, habit stacking, morning vs. evening,
hydration, and what to expect in week one versus week 100.
Don’t forget to go to https://get.sunlighten.com/DRSTEPHANIE and
use code DRSTEPHANIE for a special offer.
EPISODE OVERVIEW:
(0:00) Intro/Teaser
(1:19) Week 1 vs. Week 100 — how to start your sauna
practice
(6:33) Contrast therapy & cold plunge benefits
(9:08) The biggest misconception about infrared saunas
(12:01) The four wavelengths explained: far, mid, near &
red
(18:31) The most underestimated benefit for midlife women
(23:03) How infrared works at the cellular level
(28:16) SoloCarbon technology & the blood pressure
studies
(31:40) Hot flashes & thermoregulatory training
(38:49) Passive cardio — the mechanism explained
(43:40) Cortisol, HPA axis & the
sympathetic-to-parasympathetic shift
(45:33) Minimum effective dose & what you'll notice
first
(57:08) Habit stacking your sauna practice
(1:02:47) Can't afford a Sunlighten? Free alternatives
(1:08:10) The After-Party with Dr. Stephanie
RESOURCES MENTIONED: https://drstephanieestima.com/podcasts/ep477
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****************************
P.S. When you're ready, here are two ways Dr. Stephanie can help
you:
Subscribe: The Mini
Pause — My weekly newsletter packed with the most
actionable, evidence-based tools for women 40+ to thrive in
midlife.
Build Muscle: LIFT — My
progressive strength training program designed for women in
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