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I wanted to create a thread about red light therapy in general. I saw a thread for oral red light, but wanted a red light discussion.
This study is crazy cool! They are using red light to heal spinal cord injuries:
Here is an email between myself and Ray Peat…
Does sitting by a fire have red light effects?
“Fire light is very weak, but probably slightly beneficial; direct sunlight provides intense penetrating red wavelengths.” -Ray Peat
“Subnormal temperatures cause a shift from phagocytosis to inflammation. Light, especially the red light which penetrates easily into tissues, activates the formation of new cells as well as their differentiation. It affects energy production, increasing the formation of mitochondria, and the activity of the DNA methyltransferase enzymes. Red light accelerates wound healing, and improves the quality of the scar, reducing the amount of fibrosis.” -Ray Peat
“The blue color of ordinary water is caused by its absorption of red light, possibly by its hydrogen bonds (Braun and Smirnov, 1993), but there haven’t been many studies of the physical effects of red light on water itself. Since water absorbs much more strongly in the infrared wavelengths, there is a tendency to explain the benefits of sunlight by its infrared rays. Red and orange wavelengths penetrate tissue very effectively, because of their weaker absorption by water, allowing them to react with pigments in the cell, such as cytochrome oxidase, which is activated (or re-activated) by red light, increasing the production of ATP. This effect counteracts the toxic effects of ultraviolet light, but there are probably other mechanisms involved in the many beneficial effects of red light.
2011) has revealed an effect of red light (670 nm) on water that I think helps to explain some of its protective and restorative actions. Shining laser light onto layers of water adsorbed on a solid surface, they were able to show “a breathing-like volume expansion of the topmost sheets of water molecules.” They explain this as the result of a stabilization of a more ordered state of the hydrogen bonds of the water. They are applying this to chemotherapy, since the expansion of water in the cell where much of the water is in adsorbed layers similar to their experimental set-up, alternating with its volume contraction as the light is pulsed, causes water to move in and out of the cell quickly, taking some of the drug with it. They have also proposed that degenerative changes in the connective tissues involve a loss of ordered water, and have experimented with light treatments to restore elasticity and flexibility.
Since the water in cataracts is in a less ordered state than in the transparent lens, the re-ordering effect of red light could be valuable, and if the effects are the same as in their experiments with cancer cells, the increased volume of the re-ordered water would cause a movement of water out of the cataract, as it does in cancer cells in their experiment. And the known restorative effect of red light on oxidative production of ATP would almost certainly be helpful.” -Ray Peat
@Cari Thank you for this!! I am happy to have a place for all things Red Light to live…
“For what skin conditions is red light therapy being tried?
Red light therapy is promoted as a treatment for some common skin conditions, including to:
Improve wound healing.
Reduce stretch marks
Reduce wrinkles, fine lines and age spots.
Improve facial texture.
Improve psoriasis, rosacea and eczema.
Improve scars.
Improve sun-damaged skin.
Improve hair growth in people with androgenic alopecia.
Improve acne.”Red light therapy appears to be safe and is not associated with any side effects, at least if used short-term and as directed. This therapy is not toxic, not invasive and not as harsh as some topical skin treatments. Unlike the cancer-causing ultraviolet (UV) light from the sun or tanning booths, RLT doesn’t use this type of light.”
https://my.clevelandclinic.org/health/articles/22114-red-light-therapy
Here is yet another study showing infrared 860nm can heal brain injuries!!
This is from a really good article @J.R.L posted…
“In the first half of this series (which provides critical context for this article), I thus attempted to shine a light on the critical benefits we receive from sunlight, how many different illnesses result from artificial lighting and lack of sunlight, and that the same changes observed in plants and animals from unhealthy lighting are also observed in humans. Some of the key points I covered there included:
•Unhealthy light causes and exacerbates a wide range of cancers.
•Unhealthy light significantly increases the risk of a variety of infections (particularly within livestock).
•Unhealthy light contributes to a variety of behavioral disorders (e.g., ADHD or animals attacking each other).
•Healthy lighting significantly increases the health, fertility, and productivity of domesticated animals.
•The normal growth cycle of many plants and animals is dependent upon healthy light from the environment. Likewise, the circadian rhythm (which regulates sleep and healing) is heavily disrupted by unnatural lighting.
•Many organisms are extraordinarily sensitive to unnatural lighting. Additionally, many biological structures are highly sensitive to specific wavelengths of light, which is problematic because artificial lighting typically has a few narrow bands of light, rather than a complete spectrum.
•Light plays a critical role in generating circulation throughout the body and protecting the blood vessels from damage.
•Ultraviolet light is particularly critical for health. In turn, the most dramatic benefits of using light therapies are seen when appropriate amounts of UV light are administered to the body.
•Glass blocks UV light, so since much of the sunlight we are exposed to is filtered through glass, modern life prevents us from having access to that light, and hence there is a widespread deficiency of UV light in our society.
•Since the skin has difficulty absorbing UV light, we instead receive much of the light which enters our body through the eyes. In turn, when individuals where glasses that block sunlight from entering their eyes, a wide variety of health problems can ensue that resolve once the glasses are addressed.
The major challenge with light therapies is getting the light inside the body. Fortunately, methods have been developed to do just that, and for over a century, they have produced truly remarkable results.”
Here is another research about near infrared light as a viable treatment for Traumatic Brain Injury:
https://www.sciencedaily.com/releases/2024/10/241011140804.htm
It looks like someone has created a new version of a face LED that has better form fitting features and the research showed great results 🙂
https://www.sciencedaily.com/releases/2024/10/241029121354.htm
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