Rowan Jacobsen
speaker
216 appearances
1 recordings
1 series
first heard Jul 2026
last heard 27 Jul
Rowan Jacobsen’s voice in public audio — every appearance, attributed to the second.
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recordings per month · last 12 monthsRecordings per month over the last 12 months — 1 in all, peaking in Jul 2026 with 1.
Appearances
And D is a really, really accurate marker for sun exposure.
You get more sun, you're going to have higher levels of D. So that D readout in people was really just saying these people with lower diseases are getting more sunlight.
So probably D is part of the reason for the beneficial properties of sunlight.
But it seems like it's got to happen through your skin for some reason.
There's something different when you're taking it orally.
We tend to do this where we...
learn a little bit about something and we boil it down to one very simple formula, like, oh, D good, take D pill, you'll be good.
And then we get surprised when it turns out the body works in incredibly more complicated ways than that.
So this seems to be one of those cases.
I think we are probably just scratching the surface.
As we talked about at the beginning, different wavelengths of light penetrate different depths into the body.
But...
Some of those wavelengths in sunlight, those photons of light are bouncing around your body like, you know, pinballs until they finally meet a molecule and get absorbed.
And we know that those interactions are really important, but...
Certainly, if you change your light diet, what I like to think of as a light diet, it's going to change that.
Like if you're indoors, you are getting a completely different dose of photons, kinds of photons and amount of photons than if you're outdoors.
So what the heck is all that doing to our bodies and to our minds?
Yeah, red light therapy, huge now.
You see it in every clinic.
Even dentists are using it.
Showing 161–180 of 216 · page 9 of 11
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