1256. 3 Things You Don’t Know About Vitamin D + The Infrared Light That Acts as Medicine w/ Dr. Roger Seheult

Heal Squad x Maria Menounos1h 6mApril 8, 2026

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AI-Generated Summary

In this powerful episode of Heal Squad, Maria Menounos sits down with Dr. Roger Seheult to explore the transformative, often overlooked benefits of sunlight and infrared light for human health. The conversation dismantles the myth that sun exposure is inherently dangerous, revealing that moderate, intentional sun exposure—particularly in the morning and late afternoon—is essential for immune function, cellular energy, and disease prevention. Dr. Seheult shares compelling stories, including a patient with life-threatening lung fungus who made a miraculous recovery after spending hours outdoors, and cites studies showing infrared light reduced hospital stays by 30% and improved survival rates during the COVID-19 pandemic. He explains how sunlight isn't just about vitamin D, but a complex spectrum of light—visible, ultraviolet, and infrared—that regulates circadian rhythm, boosts mitochondrial function, reduces inflammation, and enhances the body’s innate immune defenses. The episode also highlights the historical wisdom of sanitariums and Florence Nightingale’s use of sunlight in healing, contrasting it with modern, light-deprived lifestyles. Maria shares her personal journey of quitting sunscreen and embracing sun exposure, while also discussing the importance of hydrotherapy and body temperature elevation as natural immune boosters. The episode concludes with a call to action: reconnect with nature, open windows, and embrace sunlight not as a risk, but as medicine.

Key Takeaways
1

Sunlight in moderation is as beneficial as not smoking and significantly reduces risk of cardiovascular disease and cancer.

2

Infrared light penetrates deeply into the body, boosting mitochondrial function, reducing inflammation, and improving immune response.

3

Patients with severe infections like fungal pneumonia have recovered dramatically after spending time outdoors, even when all medical treatments had failed.

4

Morning and late afternoon sun exposure (when infrared light is strongest) is safest and most beneficial, especially for those with skin cancer risk.

5

Placing trees in urban areas reduces inflammation and mortality rates, proving that green spaces are not just aesthetic but medically transformative.

…and 3 more takeaways available in PodZeus

Chapters
0:00
3 min

The Power of Sunlight and the Healing Journey

Maria opens with a personal story about using Airbnb to fund travel and healing, setting the stage for the episode’s theme: healing in new environments. She introduces the core idea that you can't heal in the same environment you got sick in, and shares her shift toward embracing sunlight as medicine.

2:30
5 min

Sunlight as Medicine: Beyond Vitamin D

If everybody in the cohort that he studied had the maximum amount of sunlight... there would be thousands and thousands less deaths from cardiovascular disease and non-skin cancer.

Highlight
7:30
8 min

The Science of Infrared Light and Immune Healing

Those people that got the light turned on... was eight days. They spent four days less in the hospital.

Highlight
15:00
10 min

The Case of the 15-Year-Old Leukemia Patient

The CT scan after he had been outside for five or six days. It was 80% black. It was almost normal, and they could not believe it.

Highlight
25:00
10 min

Historical Wisdom: Hospitals, Sanitariums, and Sunlight

Dr. Seheult traces the history of sunlight in healing, from Florence Nightingale’s hospitals to 1918 influenza sanitariums, where patients had significantly lower mortality rates when treated with fresh air and sunlight. He contrasts this with modern, light-deprived hospitals and homes.

High-Impact Quotes
The CT scan after he had been outside for five or six days. It was 80% black. It was almost normal, and they could not believe it.
Dr. Roger Seheult52:55
Viral: 95.0
If everybody in the cohort that he studied had the maximum amount of sunlight... there would be thousands and thousands less deaths from cardiovascular disease and non-skin cancer.
Dr. Roger Seheult7:35
Viral: 92.0
The Nobel Prize in Medicine in 1927 was won by Dr. Julius Wagner-Joreg... he simply gave them malaria. The malaria caused high fevers. The high fevers cured the neurosyphilis.
Dr. Roger Seheult106:30
Viral: 90.0
Speakers

Host

Maria Menounos

Guest

Dr. Roger Seheult
Topics Discussed
sunlight and health95%infrared light therapy90%vitamin d misconceptions85%circadian rhythm and light80%historical healing practices75%urban green spaces and health70%hydrotherapy and fever therapy65%sunlight and fetal development60%
People & Brands

Dr. Roger Seheult

person

120xPositive

Maria Menounos

person

110xPositive

infrared light

other

30xPositive

COVID-19

other

20xNeutral

Airbnb

organization

10xPositive

hydrotherapy

other

8xPositive

interferon

other

6xPositive

mitochondria

other

5xPositive

AG1

organization

5xPositive

melanoma

other

4xNeutral

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