Jonathan Jarecki (@Jonathanjarecki) / X

Jonathan Jarecki

838 posts

Jonathan Jarecki

@Jonathanjarecki

20 y/o Bio & Neuro, B.S. Student • Host of the Whole Health Podcast •

Florida

jonathanjarecki.substack.com

Joined September 2019

Pinned
Jonathan Jarecki
@Jonathanjarecki
Feb 22
SUPPLEMENTING YOUR WORK ENVIRONMENT WITH AN INCANDESCENT LIGHT BULB IMPROVES MITOCHONDRIAL FUNCTION! - A brand new (Jan 23th, 2026) paper published by Glen Jeffery and Edward Barrett demonstrates how adding a 60 W incandescent lamp to participants work desk dramatically improves
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Jonathan Jarecki
@Jonathanjarecki
May 6, 2025
Very interesting study: mice exposed to common blue light wavelengths (420–450 nm, found in most LEDs and screens) gained weight rapidly and showed anxiety-like behaviors—without changes in activity or diet. This suggests that lighting spectrum alone may impact metabolism, mood,
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Jonathan Jarecki
@Jonathanjarecki
Sep 9, 2025
EXTRAPINEAL MELATONIN, MADE IN THE MITOCHONDRIA OF ~EVERY CELL, ACCOUNTS FOR ~95% OF THE TOTAL MELATONIN PRODUCED IN YOUR BODY. This melatonin is produced in response to near-infrared light from the sun. Full 28 minute video is up on YouTube.
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Jonathan Jarecki
@Jonathanjarecki
Dec 31, 2024
The impact the 7-hour podcast with @hubermanlab @DrJackKruse and @RickRubin had on me:
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Jonathan Jarecki
@Jonathanjarecki
Aug 7, 2021
Replying to @TheChrisLambert @KanyePodcast and 4 others
We ain’t happy if ant Clemons isn’t on the track.
Jonathan Jarecki
@Jonathanjarecki
Dec 23, 2024
Podcast with @DrJackKruse is Out Now on All Platforms! YouTube: youtu.be/amM835C0i94?fe… Apple: podcasts.apple.com/us/podcast/who… Spotify: open.spotify.com/episode/2tucoJ…
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Jonathan Jarecki
@Jonathanjarecki
Aug 18, 2025
Melatonin both as a chemical expression of darkness and a participant of sunlight exposure:
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Jonathan Jarecki
@Jonathanjarecki
Sep 4, 2025
BLUE LIGHT, THE EYE, AND MELATONIN When blue light enters the eye, it’s detected by a special class of neurons — intrinsically photosensitive retinal ganglion cells. These cells contain melanopsin, a photopigment that absorbs blue light. Once absorbed a signal travels down the
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Jonathan Jarecki
@Jonathanjarecki
Oct 16, 2025
Lung cancer Breast cancer colorectal cancer Ovarian cancer Endometrial cancer Renal cancer Bladder cancer Pancreatic cancer Brain cancer Leukemia Type 1 diabetes ALL are linked to SUNLIGHT exposure. Higher Latitudes (less UVB) = Higher Cancer Rates
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Jonathan Jarecki
@Jonathanjarecki
Dec 26, 2024
Replying to @JonesDanny @calleymeans and 2 others
A different side of Jack: From my recent podcast with Jack.
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Jonathan Jarecki
@Jonathanjarecki
Sep 29, 2025
820,000 DEATHS ARE ATTRIBUTED TO A LACK OF SUN EXPOSURE. 340,000/year in the U.S. & 480,000/year in Europe. Making a lack of sun exposure a leading cause of death in the United States. Governmental authorities have led us to believe that the sun is scary and we should avoid
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Jonathan Jarecki
@Jonathanjarecki
Dec 23, 2024
Replying to @DrJackKruse
Episode with @DrJackKruse out Tomorrow! Trailer:
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Jonathan Jarecki
@Jonathanjarecki
Jun 1, 2025
First @X post using the @daylightco No blue light No flicker
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Jonathan Jarecki
@Jonathanjarecki
Dec 22, 2024
Podcast with @DrJackKruse OUT TOMORROW. @hubermanlab @NicoleShanahan @dralexisjazmyn @StrumwasserJ @RickRubin Trailer:
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