Roger David Seheult
Physician
23
APPEARANCES
18
PODCASTS
012
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Oct 29, 2026
Shane Anderson, Roger Seheult, Eric Walsh: Mental and Physical Health and Lifestyle Medicine for Chronic Disease Part 2
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Roger SeheultGUEST
And actually what's very interesting is that when you are exposed to extreme temperatures, your body makes proteins.
Roger SeheultGUEST
called heat shock proteins that actually improves the way that your proteins function.
Roger SeheultGUEST
This is the whole basis behind hydrotherapy and what we used to practice here actually at the Battle Creek Sanitarium over 100 years ago.
19 MINS LATER
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24:00Shane AndersonHOST
What counsel would you give to help us separate what matters from what's really just noise?
Shane Anderson, Roger Seheult, Eric Walsh: Mental and Physical Health and Lifestyle Medicine for Chronic Disease Part 1
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Eric WalshGUEST
All of it says that there's a way that we better connect with God based on how we live our lives.
Roger SeheultGUEST
When I look back at when God created man, he created man out of the dust of the earth, and he breathed into him the life, the breath.
Roger SeheultGUEST
So we as Adventists have a very unique view of this from our Christian brethren.
Roger SeheultGUEST
They take a very Greek or Plato view where basically the soul is inside of a body and the body is something to be discarded.
Roger SeheultGUEST
But what we bring to the table, Seventh-day Adventists, is this understanding that the soul is actually the body and the breath.
14 MINS LATER
Show 1492: What Really Works Against Winter Infections
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Roger SeheultGUEST
So there are factors that will make a germ more infective and it will be more likely to affect somebody, especially if it is a epidemic or something that is surging that's regardless of season.
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Joe GraedonHOST
Where's my acetaminophen, my Tylenol? Or, oh, I'll take some Advil or some Aleve because that'll lower my temperature and I'll feel so much better, but that may be counterproductive.
Flu Season Is Starting Early: The Surprising Role Sunlight May Play in Immunity & Inflammation with Roger Seheult, MD
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9:56Dhru PurohitHOST
You know, I talked about your origin story and there's multiple that are there, but in the particular part of this conversation, and we're talking about light, I'd love for you to give us a little bit of a background about how you had this aha moment around light, specifically around the pandemic and taking care of some of the sickest people who literally were dying or on their deathbed.
Roger SeheultGUEST
And we did see that people that came in with vitamin D, levels that were either normal or elevated, seemed to do on average better than those people that came in with low vitamin D levels.
Roger SeheultGUEST
And so people began to think that this was a vitamin D deficiency that was causing it.
16 MINS LATER
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26:44Dhru PurohitHOST
How much of our modern-day obesity crisis, which really probably started, I don't have the exact number, probably like in the late 60s, early 70s, started to uptick and continue to uptick, How much of that is connected to the sun in some capacity?
Dangers of Daylight Savings — Dr. Roger Seheult #018
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80:39Roger SeheultGUEST
Now, a paper that was just published this year, in fact in May of this year, while we were still, you know, cutting-- getting together and looking at this, fascinating paper, is what they were able to do is they excited-- And this is not a living substance.
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80:57Roger SeheultGUEST
They had a, a, a, a-- They had a surface of gold, and of course, electrons are, are floating around the surface of gold.
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81:04Roger SeheultGUEST
They're able to excite the electron, and they tried to direct that electron to another substance.
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81:10Roger SeheultGUEST
But there was a activation barrier in between that substance, which they knew.
17 MINS LATER
BITESIZE | The Science of Sunlight: How 20 Minutes a Day Could Transform Your Mood, Energy & Sleep | Dr Roger Seheult #684
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But let's really try and unpick what is it about being outside that has all of these different aspects on our health?
Roger SeheultGUEST
So when we look at the light that's coming from the sun, there's basically three types of light that we wanna talk about.
Roger SeheultGUEST
There is obviously the visible light, which you can see, and there is countless studies and decades of research that shows that visible light itself has a tremendous health benefit on the individual.
Roger SeheultGUEST
So we know that people who live at high latitudes who are not exposed to enough visible light, especially during the winter months when the days are short, when they're getting up before the sun gets up, and they're getting home after the sun goes down, they are susceptible to seasonal affective disorder.
Roger SeheultGUEST
And a very easy way of overcoming that particular issue is with visible light into the retina that stimulates a portion of the brain that prevents, uh, depression from happening.
15 MINS LATER
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So I bet there's been some practical things throughout the conversation, but I wonder if we could just really focus for the next few minutes on what are the things then you recommend people do to try and mitigate this?
#436: Dr. Roger Seheult - The 8 Pillars For Better Health & Preventing Sickness
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0:00speaker_0HOST
For anyone who's clicking onto this now and they haven't really thought of this subject too much in the past, how much agency and autonomy does the individual have over how often they get sick?
Roger SeheultGUEST
When you're talking about getting sick, I'm assuming here at first that you're talking about viral infections, but it could be more than that.
34 MINS LATER
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34:48speaker_0HOST
Is there any way that people who have jobs where they go to sleep when it's light and they wake up when it's dark, that they can not necessarily get the benefits, but almost mitigate some of the risks that come with that lifestyle? Yeah.
Ellen White Made Some Remarkable Health Claims. Were They Right? - Dr. Roger Seheult
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David ShinHOST
Ellen White, what's the deal? But I think this quote that you shared with me from the book Education shows you the relevance of our discussion here today.
Roger SeheultGUEST
Yeah, I mean, exactly as you said, like, why would we even use this meter stick of science to judge, you know, the messenger of God, right? And certain people in our audience would be thinking that.
Roger SeheultGUEST
Other people would be saying, like, why are we even, why aren't we using science, right? Because aren't we supposed to be using science? So I think to start this off, let's find out where we should be.
1 HR 3 MINS LATER

David ShinHOST
Our ministers are to work on the gospel plan of ministering, you are you will never be ministers after the gospel order till you show a decided interest in medical missionary work the gospel of healing and blessing and strengthening yes what's your thoughts on that as a physician
Roger Seheult: What the Sun, the Cell, and Scripture Reveal About God
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Roger SeheultGUEST
When light meets life what the sun, the cell, and scripture reveal about God How many of you, um, listen to podcasts? Okay.
Roger SeheultGUEST
Well, just yesterday down in the bottom right-hand corner, um, Huberman, Andrew Huberman, who has his own podcast, was on, um, Diary of a CEO, and they got over a million views in just a few hours.
Roger SeheultGUEST
And I would highly recommend that you watch this episode because in it he talks about faith.
Roger SeheultGUEST
He got down on his knees and prayed before he went onto this podcast so that he would be humble, that what was coming through was something that God would wanna have come through as he talked about health.
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Right
Faith-Based Approaches to Mental & Physical Health & Lifestyle Medicine for Chronic Disease
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Roger SeheultGUEST
And actually what's very interesting is that when you are exposed to extreme temperatures, your body makes proteins called heat shock proteins that actually improves the way that your proteins function.
Roger SeheultGUEST
This is the whole basis behind hydrotherapy and what we used to practice here actually at the Battle Creek Sanitarium over 100 years ago.
Roger SeheultGUEST
In fact, this is the emerging evidence, and I'm happy to tell you that there is a hospital in Australia, just outside of Melbourne, $1.5 billion hospital that they've just constructed this year in Footscray that has now built their intensive care unit outside so that they can have fresh air, they can have sunlight, they can have all those things that we've talked about 100 years ago.
19 MINS LATER
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24:02Shane AndersonHOST
What counsel would you give to help us separate what matters from what's really just noise?
Why Sunlight Beats Vitamin D | Dr. Roger Seheult
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Jonathan JareckiHOST
I wanna hear more, more of your personal experience with it, um, to start, and then we'll get into some mechanisms and all that.
Roger SeheultGUEST
So basically what really started to wear on me was this, this, th-this paradox where we would see that vitamin D levels were able to predict very well how people would do with COVID, but they weren't able to protect.
Roger SeheultGUEST
So we would give people high doses of vitamin D, and indeed there were several studies out there, a shade study, a number of studies that showed that when they gave vitamin D, there was mixed results.
Roger SeheultGUEST
There was one, uh, Spanish study where they used activated, uh, vitamin D that'd already been hydroxylated at the one and twenty-five position calcitri- calc- calcifediol, and that was a, sort of a quasi-randomized study that did s- show some benefit.
Roger SeheultGUEST
The question was is why was, why was it so predictive? I mean, it was very predictive.
13 MINS LATER
The Truth About Daylight Saving Time - Dr. Roger Seheult
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David ShinHOST
So is that linked to a lack of sleep? If you're not sleeping a- a lot, you're gonna spend more money?
Roger SeheultGUEST
You're less likely to stop in, eat at a restaurant, buy something at a gas station, 'cause it's dark.
U.S. Launch New Self-Defense Strikes; GOP Eyes Bill on Pentagon Funding | NTD Good Morning (June 11)
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26:42Brendan FallonHOST
What's happening in this situation? Why hasn't it spread more widely before? And why is there a particular risk now?
Roger SeheultGUEST
You know, there's a lot of things that are different than what we would expect that we've seen with other viruses.
Roger SeheultGUEST
One of the things that people need to understand about Ebola is that it's not one particular virus in particular that causes Ebola.
Roger SeheultGUEST
Many may be familiar with the Zaire version of Ebola, where they actually have developed some monoclonal antibodies against it.
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28:16Brendan FallonHOST
And to switch to the Hantavirus situation, Dr. Schwelt, where are we at with that now, would you say? Does this still pose a significant risk? I don't believe
Editing the Sun — How Indoor Light Lost Touch With Biology
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33:23Dave WallaceHOST
And, and Roger, y-you know, I guess from your perspective, um, i-in medicine, you know, what are some of the implications that would, would, would come out of that lubrication just not being there?
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33:40Roger SeheultGUEST
Uh, it's not like we're talking about, you know, a little biohack here or a biohack there to get a little bit more.
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33:48Roger SeheultGUEST
So if you look at the Western world's chronic diseases like heart disease, diabetes, obesity, at the heart of all of these conditions that are, are plaguing our healthcare systems is, is the mitochondria.
41 MINS LATER
Hantavirus Outbreak: Virus Expert Explains Risk, Immunity, And Diet Impact | Dr. Roger Seheult
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Chuck CarrollHOST
Um, speaking of lights, like, how much do those light boxes work for people who are living in an area where they may not get a lot of sunlight? Are these things actually effective?
Roger SeheultGUEST
Um, but what we're talking about here is circadian rhythm, and for circadian rhythm, you don't need infrared light to have a- an effect.
Roger SeheultGUEST
These light boxes that you can get online for $25, 10,000 lux, use it for 20 minutes, about 11 to 16 inches from your, from your eyes in the morning are, are exactly the right thing to do if you live in an environment where you get up in the morning and it's, uh, there's no sun.
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Doctor Reveals The MOST Overlooked Medicine on Earth
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Eric BergHOST
How does light penetrate through the body, actually get into our cells, and then what does it actually do inside our cells?
Roger SeheultGUEST
There's a great paper that was just published by Glenn Jeffrey and Robert Fosbury out of the University College London.
Roger SeheultGUEST
And what they published in Nature Scientific Reports is an amazing study that really answers the question that you've just asked.
Roger SeheultGUEST
Because what they did was they took subjects outside in the midday sun in London, and they were able to actually demonstrate sunlight coming into our body.
Roger SeheultGUEST
They were able to measure it on one side of the body, and they were actually able, believe it or not, to measure it on the other side of the body, obviously much less.
Roger SeheultGUEST
But they were able to actually see the wavelengths that the body was, let's put it this way, had windows to, to allow those wavelengths to go through.
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6:53speaker_0ADVERTISER
Yeah.
Show 1469: Fresh Air & Sunlight: How Some Hospitals Are Rediscovering This Healing Secret
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Joe GraedonHOST
you know, there are a lot of young people who were listening who don't even know who she was because she was sort of the first person to recognize those elements were really important for healing.
Roger SeheultGUEST
So Florence Nightingale known as the modern, um, founder of nursing, basically was a nurse during the Crimean War.
Roger SeheultGUEST
She was named Florence because she was born in Italy, but took care of those patients there in Turkey, where there were so many of them that she noticed that those that were outside were getting better much faster.
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The 8 Health Laws That Control Your Energy, Immunity & Lifespan | Dr. Roger Seheult
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2:25Doug BopstHOST
What's the blueprint for helping people like not get sick during the times when like immunity type things tend to rise?
Roger SeheultGUEST
Yeah, and by sick, I assume you're meaning like get viral infections, colds, flus, things of that nature.
Roger SeheultGUEST
And actually, the body is far more integrated than we would give it credit for.
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22:08Doug BopstHOST
Let's dive into nutrition because I think this is something, too, that if people are not eating well for a period of time, they can definitely feel like their immune system start to suffer.
We've Been Wrong About Sunlight... It's Not Just Vitamin D | Dr. Roger Seheult
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7:14Jesse ChappusHOST
You mentioned the connection there to vitamin D. Let's talk about in a practical sense what it looks like getting the UV light in a healthy way.
Roger SeheultGUEST
So you really have to be outside to get that because, um, ultraviolet light, even though it's very high frequency and high energy, it does not penetrate very well through objects, uh, through clothes.
Roger SeheultGUEST
And, and because it cannot penetrate very easily, um, the sun has to be pretty high in the sky for you to get enough ultraviolet radiation.
1 HR 7 MINS LATER
Show 1457: How to Strengthen Your Immune System for Cold and Flu Season
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Roger SeheultGUEST
Yeah, so New START is an acronym that describes basically eight pillars of health.
Roger SeheultGUEST
If you could picture your body, your life as a chain of links, each with their own representation of an organ.
Roger SeheultGUEST
As you go through life in a particular way with a particular lifestyle, that will subject more strain and stress of any one of those particular links.
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Joe GraedonHOST
But on the other hand, is it possible that we're making ourselves more susceptible to infection?
The Clinical Case for Sunlight Therapy to Reduce Hospital Stays with Dr. Roger Seheult
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Roger SeheultGUEST
I actually got the medical records, reviewed it, because when I heard the story, I really needed to actually see it for myself.
8 MINS LATER

Amar RewariHOST
But we're going to walk through together with you, Dr. Seheult, the evidence that you've recounted in many other settings so well, And we're going to channel that discussion to how we can understand how this could be done and implemented system-wide here in the United States.
How to Enhance Your Immune System | Dr. Roger Seheult
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Andrew HubermanHOST
So if we want to parse this S, sunlight, in NEWSTART, how are you thinking about sunlight? Is it sunlight on the skin? Is it also midday light, not just morning sunlight? Is it a certain amount of sunlight? And then maybe we can also talk about some of the underlying mechanisms.
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11:44Roger SeheultGUEST
I'm, I'm board certified in sleep medicine, and I, and I, I'm cheering you on when you talk about these things 'cause it's so important that light into the retina does have an effect on the circadian rhythm, suprachiasmatic nucleus.
2 HRS 41 MINS LATER