51–55 of 55 posts
This is the same thing as Vitamin D is good for health. Exposure to the sun is correlated with good health, the problem is the direction is the other way around healthy people are outside and in the sun more, hence they have higher Vitamin D levels.
I have a very unscientific feeling that the scientific consensus will probably one day end up being something like: sun is good for you in moderation, the amount that is ok depends on your skin color, how tanned you get, in which part of the world you are and how often you are outside. Avoid too much sun and avoid sun burns and also avoid crazy strong sunscreens that block the benefits of getting sunlight. The lifest…
> avoid crazy strong sunscreens It's also known that sun exposure causes the vast majority of visible skin aging. So I choose to use overkill sunscreen on my face and neck to preserve my youth and balance that out by using no sunscreen on my legs. In the summer, running around in shorts, I should get plenty of sun. In the winter, I supplement vitamin D anyway
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Glad this was pointed out - this article is specifically about regions in “low” UV latitudes, with the actual subject being from the UK. Accounting for UV intensity of your home country is crucial. Don’t just go out and frolic without precautions just because a study from the UK found sun exposure was good. Their sun isn’t built the same. Mid day UV index in SF is 9 as I type. Compare what the paper says about the UK…
> Make good decisions people! I got some sun when the UV was 2 early in the early morning. Now it’s 9 at midday. All sun is not equal. I observed a group of people going into a theme park at 5 PM and slopping on a thick layer of sunscreen. Sundown was ~8 PM. Local UV index is essentially 0 at that time of the day. Mental models of UV exposure are not always intuitive.
100%. On this front, the study notes something important that helps explain the lower overall mortality, which is that "Most melanoma is a disease of intermittent burning sun exposure, particularly in childhood."
In other words, skin cancer doesn't increase exponentially with total lifetime UV exposure, unlike say, regular alcohol use or smoking. It's much riskier to get burned repeatedly in early childhood than it is to have regular moderate levels of sun exposure long term while avoiding being burned.
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I was under the impression that recent consensus was that Vitamin D supplementation has much less positive health impact than sunlight exposure?
Of course, there exists the whole field of photobiomodulation. Red light therapy (630/670/810/830/850/1060 nm red and NIR light) helps the eye in the morning (see Prof Glen Jeffery's work at UCL; the mitochondria are only sensitive to RLT during a certain window of the circadian rhythm, that coincides with early morning sunlight that is shifted towards the red/NIR), particularly when it comes to preventing and slowin…
Earlier quoted context omitted.
Of course, there exists the whole field of photobiomodulation. Red light therapy (630/670/810/830/850/1060 nm red and NIR light) helps the eye in the morning (see Prof Glen Jeffery's work at UCL; the mitochondria are only sensitive to RLT during a certain window of the circadian rhythm, that coincides with early morning sunlight that is shifted towards the red/NIR), particularly when it comes to preventing and slowin…
Hi, do you happen to have to have some resources for someone interested in using red light therapy? Or even just a simple buying tip to get started. As someone with quite high myopia and a little bit of astigmatism thrown in, I'm at higher risk of myopic macular degeneration, so red light therapy might be extra useful!
You can also look at (670/810 nm LED light strips to hang above your computer monitors and passively absorb some while starting at your monitor all day if you are getting an excess of blue light). I think that is another protocol though, but it might help.
I am sure though that it's more about consistency and treatment time (as in, you can't double the intensity to halve the treatment time). Furthermore, more is not better, it's more like an on/off switch after 2-3 minutes. You can do it every day, just like the solar spectrum is relatively higher in the required part of the spectrum at early morning sunrise every day.
But honestly, listen to Glen Jeffery, perhaps read /r/redlighttherapy