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#1 2016-12-23 16:45:59
- Loohan
- Administrator
- Registered: 2014-10-31
- Posts: 32,787
Light and Health
How LED Lighting May Compromise Your Health
http://articles.mercola.com/sites/artic … hting.aspx
It says NEAR-infrared is highly desirable. And somewhere i read that brooding lamps (whether red-coated or not) are rich in near-infrared.
The bulbs cost $5 each whether u order red ones online or buy white ones at the hardware store. I built a standup "sauna" with 4 bulbs:
I can open my toilet door, plug it in, and have 1000W of instant gratification. Of course it is only practical during the cool time of year.
At first i did not have the wire fence, so i kept bumping the top bulb going in and out until it broke. Then i replaced the bulb and proceeded to burn off a patch of skin on my elbow on a lower bulb.
Then i just placed this welded-wire guard which stays put by itself. The wire does not get hot and i don't bump the bulbs anymore.
I always let the bulbs cool off before closing the door or jiggling them. Probably better for the filaments.
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#2 2016-12-23 16:52:42
- Loohan
- Administrator
- Registered: 2014-10-31
- Posts: 32,787
Re: Light and Health
New Study Reveals Harmful Effects of Dim Light Exposure During Sleep
http://articles.mercola.com/sites/artic … fects.aspx
How to Make Digital Screens Healthier
In addition to reducing the light in your sleeping environment it is also helpful to eliminate blue light from artificial sources like watching TV at night. You can do this be picking up a $9 pair of UVEX blue blockers on Amazon. It is far more convenient, though, to use blue light blocking software on your computer monitor after sunset.
Many use f.lux to do this, but I have a great surprise for you as I have found a FAR better alternative that was created by Daniel Georgiev, a 22-year-old Bulgarian programmer that Ben Greenfield introduced to me.
He is one of the rare people that already knew most of the information in this article. He was using f.lux but was very frustrated with the controls. He attempted to contact the f.lux programmers but they never got back to him. So, he created a massively superior alternative called Iris. It is free, but you'll want to pay the $2 and reward Daniel with the donation. You can purchase the $2 Iris software here.
Iris is better because it has three levels of blue blocking below f.lux: dim incandescent, candle and ember. I have been using ember after sunset and measured the spectrum and it blocked nearly all light below 550 nanometers (nm), which is spectacular, as you can see in the image below when I measured it on my monitor in the ember setting. Iris works fine on my Ubuntu system.
When I measured the f.lux at its lowest setting of incandescent it showed loads of blue light coming through, all the way down to as you can clearly see in the images below.
So, if you are serious about protecting your vision you will abandon f.lux software and switch to Iris. I have been using it for about three months now, and even though I have very good vision at the age of 62 and don't require reading glasses, my visual acuity seems to have dramatically increased. I believe this is because I am not exposing my retina to the damaging effects of blue light after sunset.
This is great software. I installed the free version yesterday and set the Mode to max. The PC screen feels much better to me, and i am able to leave off the orange glasses. I will probably spring for the $2 Pro version though.
I used to use f.lux, but the last couple versions of Ubuntu no longer seem to support it. Iris works fine on my Ubuntu system.
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#3 2017-02-09 12:37:10
- Loohan
- Administrator
- Registered: 2014-10-31
- Posts: 32,787
Re: Light and Health
Sauna Therapy May Reduce Risk of Dementia and Boost Brain Health
http://articles.mercola.com/sites/artic … erapy.aspx
Near-infrared saunas have several additional benefits over the others, including far-infrared saunas. For starters, it penetrates your tissue more effectively than far-infrared because wavelengths under 900 nanometers (nm) in the near-infrared are not absorbed by water like the higher wavelengths in mid- and far-infrared, and thus can penetrate tissues more deeply. ...
The near-infrared range affects your health in a number of important ways,18 primarily through its interaction with chromophores in your body. Chromophores are molecules that absorb light, found in your mitochondria and in water molecules. To make sure the near-infrared rays can penetrate your skin, avoid wearing clothing when using a near-infrared sauna.
In your mitochondria, there's a specific light-absorbing molecule called cytochrome c oxidase (cco), which is part of the mitochondrial electron transport chain and absorbs near-infrared light around 830 nm. Cco is involved in the energy production within the mitochondria. Adenosine triphosphate (ATP) — cellular energy — is the end product. ATP is the fuel your cells need for all of their varied functions, including ion transport, synthesizing and metabolism.
Most people don’t realize that light is an important and necessary fuel just like food. When your bare skin is exposed to near-infrared light, cco will increase ATP production. It is also important to understand that near-infrared light is healing and repairing, and helps optimize many other biological functions. Its absence in artificial light sources like LEDs and fluorescents is what makes these light sources do dangerous to your health.
We now know that mitochondrial dysfunction is at the heart of most health problems and chronic diseases, including many signs of aging. For these reasons, I strongly recommend using a sauna that offers a full spectrum of infrared radiation, not just far-infrared. Regular exposure to near-infrared through the sun and/or sauna is a powerful strategy to improve your health.
Also beware of the fact that most infrared saunas emit dangerous non-native EMFs. So, look for one that emits low or no non-native EMFs. ...
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#4 2017-10-12 17:05:49
- Loohan
- Administrator
- Registered: 2014-10-31
- Posts: 32,787
Re: Light and Health
More economical, and more useful for some things, is to have a single bulb in a
Zoo Med Wire Cage Clamp Lamp
I mean a 250W brooder bulb.
These lamps are often used for non-light-emitting ceramic heat emitters. These also emit IR but i don't know details of the wavelengths.
It says "up to 150 watts" but if you are only using it for a few minutes at a time, it works fine. Has a thick porcelain socket.
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#5 2020-01-09 07:59:07
- Loohan
- Administrator
- Registered: 2014-10-31
- Posts: 32,787
Re: Light and Health
New Study Reveals Harmful Effects of Dim Light Exposure During Sleep
http://articles.mercola.com/sites/artic … fects.aspxHow to Make Digital Screens Healthier
In addition to reducing the light in your sleeping environment it is also helpful to eliminate blue light from artificial sources like watching TV at night. You can do this be picking up a $9 pair of UVEX blue blockers on Amazon. It is far more convenient, though, to use blue light blocking software on your computer monitor after sunset.
Many use f.lux to do this, but I have a great surprise for you as I have found a FAR better alternative that was created by Daniel Georgiev, a 22-year-old Bulgarian programmer that Ben Greenfield introduced to me.
He is one of the rare people that already knew most of the information in this article. He was using f.lux but was very frustrated with the controls. He attempted to contact the f.lux programmers but they never got back to him. So, he created a massively superior alternative called Iris. It is free, but you'll want to pay the $2 and reward Daniel with the donation. You can purchase the $2 Iris software here.
Iris is better because it has three levels of blue blocking below f.lux: dim incandescent, candle and ember. I have been using ember after sunset and measured the spectrum and it blocked nearly all light below 550 nanometers (nm), which is spectacular, as you can see in the image below when I measured it on my monitor in the ember setting. Iris works fine on my Ubuntu system.
When I measured the f.lux at its lowest setting of incandescent it showed loads of blue light coming through, all the way down to as you can clearly see in the images below.
So, if you are serious about protecting your vision you will abandon f.lux software and switch to Iris. I have been using it for about three months now, and even though I have very good vision at the age of 62 and don't require reading glasses, my visual acuity seems to have dramatically increased. I believe this is because I am not exposing my retina to the damaging effects of blue light after sunset.
This is great software. I installed the free version yesterday and set the Mode to max. The PC screen feels much better to me, and i am able to leave off the orange glasses. I will probably spring for the $2 Pro version though.
I used to use f.lux, but the last couple versions of Ubuntu no longer seem to support it. Iris works fine on my Ubuntu system.
I have not run such programs in a while now. Iris made my laptop very unstable and flickered on and off constantly. I thought it was just that the computer was gutless, but last time i needed it in VA, Iris no longer worked and advised me to buy a paid version. Also Iris was not findable or uninstallable; there was only one icon which told me to buy and could not be removed from the desktop tray.
And i had trouble any time i tried to install such freeware in my desktop.
But the science is pretty uncertain about the effects of different color lights.
Does a Study Change What We Know About Blue Light?
https://articles.mercola.com/sites/arti … omnia.aspxShould You Be Worried About Blue Light?
https://www.aao.org/eye-health/tips-pre … blue-light
Also apparently many eyeglass manufacturers were making exaggerated claims of the risks of blue lights to charge more money:
https://www.youtube.com/watch?v=NkJY9bgLyBE&t=234s
Anyway, i can't say i can detect whether it has an effect on my wakefulness. I don't concern myself with it anymore EXCEPT if i drive at night, something i seldom have occasion to do anymore except when i drive to VA and back. Last time, i took my cheap UVEX glasses and wore them after dark, having read that modern headlights are often LEDs with a nasty spectrum. I recommend this for those who don't need prescription glasses to drive, as not only did it make my eyes feel more comfortable, but it improved my night visibility.
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