Dosage, Time & Time of Day for Red Light Therapy | Dr Glen Jeffery Interview Clips
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- Опубліковано 6 жов 2024
- Here we talk with Dr Glen Jeffery from University College London about what the dose (power output) of red light should be, how long the effect lasts and when is the best time of day to use it.
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⏲️Chapters
🌐Links in this video
Dr Jeffery's website
www.ucl.ac.uk/...
Some papers from Dr Jeffery
Light stimulation of mitochondria reduces blood glucose levels
onlinelibrary....
A Pilot Study Evaluating the Effects of 670 nm Photobiomodulation in Healthy Ageing and Age-Related Macular Degeneration
pubmed.ncbi.nl...
Does photobiomodulation influence ageing?
pubmed.ncbi.nl...
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#redlight #mitochondria #diabetes
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For the past two months, I've been using a red light therapy device from Future Form Official. In my late 50s, I started it to enhance brain health and cognitive clarity. I use it for 20 minutes daily on my face, neck, and chest. Amazingly, my chronic brain fog has nearly vanished, allowing me to think clearly and sleep better. My skin also appears more radiant and youthful. Even at my age, I've always gotten compliments on my skin, and this therapy has only improved it further. The experience is relaxing, and I highly recommend red light therapy for its wide-ranging benefits.
Been using the red light therapy for 2 weeks and I have been many compliments on my skin texture and tone and I lost 5lbs. My coworker was like “What have you been doing, I can see your jawline?”
Should you look at the red light for eye benefits? Eyes shut?
Hi Pam, thanks for the question. Dr Jeffery has certainly used red light for the eyes, for macular degeneration in particular. And in this case he uses a red light source into the eye with the eye open. As he discussed in this clip he found that quite a low power (5mwatts) was effective.
@@ModernHealthspan So why does he wear glasses?
there are some new glasses which had the input of Professor Jeffery in their development where you can have eyes open or closed see my pathway
Please can you recommend which wavelengths are good for a)eye health, b) blood pressure & c) muscle repair
Thanks Richard.
Hey Ron, thanks!
Thanks. Very interesting interview. I have a large infrared box that I use often. But I don't feel the lights warming effect until about 5 minutes.
Hi thanks for sharing. I am trying a red/infrared light now as well and it does seem to take some time before I feel the warmth. Not sure why as you would think IR would be quite quick.
@@ModernHealthspan My understanding is that if it feels warm then the wavelength is most likely in the infra red i.e it is not visible light. Dr. Jeffrey has been largely using visible red light with a wavelength of c. 670nm for upregulating mithochondrial function. Wavelengths above about 950 nm (IR) are more strongly absorbed by water. However I believe mithochondria does absorb light in the near infra red also.
I dont understand something. When you say that doing an hour lose effectiveness, does it means it has no more effectiveness than 3minutes? Or that it has 0 effects, so less effect than 3minutes?
Hi Thanks for the question. That is a good point and I should have questioned Dr Jeffery on it. I am not clear what his meaning was or what data is was based on.
I think we all would appreciate clarification on this point. Is it possible to update the information with the doctor
My hunch is Jeffery meant that there is no additional benefit in going much longer than say 5 or 10 minutes. For example, he stated 3 minutes for the eyes is actually already overkill.
He says clearly that only a minute to 75 seconds is necessary. Prolonged exposure will have no additional benefit and may reverse the process so that no benefits are gained. His advice is simple do it for 3 minutes a day. Personally, I would take the weekend off and do it on weekdays only.
So if you're in the sun every day, all morning let's say, there is no effect on health? I find this a bit half-baked.
I'm also a bit confused. Can we just say that shining red light to our face or other rather small region of our body for 2 mins will enable the mitochondria "switch" for 5 days across the whole body since they communicate? Is it still useful to use a large red light panel on a daily basis or that is just way overkill considering what the Dr. said?
This is the exact conclusion you should make. Large red light panels aren't needed.
@@penmaenmawrdefiant1146
I was skeptical when I started using red light therapy. Man oh man let me tell you, I am getting so many compliments. I went to my aesthetician, who I’ve been going to for over 10 years and she remarked “Your skin look great, what have you been doing?”
This is so wholesome....! Thank you for sharing all the observations and this discussion.
Does infrared light from a fire count?
Great clip, thank you so much 👍
What about the globes? Should they be incandescent? LED? OLED? Infra? which?
Hi thanks for your question, though I am not sure that I understand it completely. The important thing is the spectrum of light that comes from the device. The source matters only in which wavelengths it emits. Most of the red light devices I have seen are LED based and emit light in the 650 or 850 range (red and infrared respectively).
If you are not looking at a specific redlight device, but at light sources in general; standard LED and fluorescent lights produce a lot of blue light and little red. Incandescent bulbs are much better in this respect with a wider spectrum which includes red.
So 2 minute daily of 650-850 range,
but what area coverage ?
distance from area ?
What wavelength red light is used for video monitors and phones?
What wavelength red light would be best for mitochondrial health?
Hi thanks for your question. IR remotes (according to the internet) use 940 nm. We discussed the wavelengths that would be best for mitochondria in the main video. In summary Dr Jeffery said 650 to 900 were best. Within that range there may be spots which are more effective but he was not looking for them because the wavelengths worked quite well and it was not a good investment of effort to find the optimal one within the range. The upper limit of the wavelength, 900 nm, was set by the tendency of longer wavelengths to be absorbed by water.
@@ModernHealthspan
I was just wondering what could be done to screens to make them healthier too look at.
I was also thinking about blue light from the screens and which wavelength would be less damaging, I wonder if manufacturers give it any thought.
I wonder if some manufacturers make healthier screens than others.
@@mballer on many computer's settings there is the option under 'display' to change the settings to night light which reduces the blue light , you can set it to turn it on any time you want also there is some software called 'Iris' (google it) which will allow you to do this (it is initially free however then is paid) which apparently works very well according to one scientist I watched on youtube who seemed to be an expert scientist
Any suggestions on distance from treatment area? Some have said the light source needs to be almost touching the skin surface.
There didn’t seem to be any reference to optimal time
Seems to be one and a half minutes.
missed the earlier videos. can we get RLT from normal sunlight?
Hi thanks for the question. That is a good point. At the end of the interview I asked Dr Jeffery what we can do now, and one of his suggestions was to get out in the sun (though watch out for the UVB of course!). Sunlight has a broad spectrum of light so I am not sure it will produce the same effect as a device producing red light specifically. It was not something that we directly discussed. I am not aware of any studies which have measured mitochondrial activation after being in the sun in the way they tested red light.
@@ModernHealthspan the Medcram guys have been talking about ifrared light & it's benefit to mitochondrial health. the doctor there also said that during covid he would move his worst patients outside & he seemed to think there was a benefit.
Yes indeed find Dr Alexis Cowan interview with Gabrielle Lyon
the best time of day to get maximum benefit from sunlight is "first light" when the atmosphere absorbs UV light but allows red light through. (the first 1 to 1 and half hours of sunlight) If you have a wooded area behind you, leaves will reflect red light back at you.
I have a whole redlight panel. Do you think it is adequate to do 10mn, each side, daily?
Hi thanks for your question. Based on what Dr Jeffery said, that would be sufficient, at least to achieve the mitochondrial activation that he is investigating.
@@ModernHealthspan you misunderstand. A switching-on process allows a small part of the body to be treated, which will switch on the effect throughout the body.
Does anyone know if there is a difference in the effects of exercising indoors vs. outdoors (for either aerobic or resistance training)? Since some of the the benefits of exercise are mediated by ROS (hormesis), would exercising indoors actually be more effective than outdoors?
does 560 reach lungs? what other organs?