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Blue light filter is actually bad for you, new study shows

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1 hour ago, TempestCatto said:

Reminds me of eggs. Before I was even born there was a study done that showed eggs were really good for you, so eat the whole thing. Then a decade or two later, another study said only egg whites are healthy and to not eat the yolk. A few years ago came full 360. Now studies show the whole egg, once again, is healthy. I've been eating eggs my entire life. Hell, I ate 3 hard-boiled eggs per day, everyday, back when I lifted. If they were bad for us, I probably wouldn't be here right now.

With all studies, it always matters who's paying and what the agendas they aren't telling you about. (Most studies you see in headlines are designed for those headlines.)

 

As for eggs, the yolk is one of the best sources of choline available, which just happens to be centrally critical substrate for nerves. Oh, and cholesterol is neuro-protective, always has been. Too high of cholesterol is caused by arterial inflammation.

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51 minutes ago, scuff gang said:

arent mice nocturnal??

xD Absolutely correct.  I feel like that maybe could be a wrench in the mice -> human relevance transfer I alluded to earlier.

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26 minutes ago, Taf the Ghost said:

With all studies, it always matters who's paying and what the agendas they aren't telling you about. (Most studies you see in headlines are designed for those headlines.)

 

As for eggs, the yolk is one of the best sources of choline available, which just happens to be centrally critical substrate for nerves. Oh, and cholesterol is neuro-protective, always has been. Too high of cholesterol is caused by arterial inflammation.

This arterial inflammation thing is different information than I remember.  Doesn’t mean it’s wrong though.  Science is always proving itself wrong.  That’s it’s function, really.  It’s a collection of things we know to be untrue.  You show something is probably true by trying to prove it false from a bunch of different directions and failing.  At one time the best scientific model we had of the universe was astrology.  The germ theory of disease wasn’t the first theory of disease, it’s just just one that keeps on failing to be proved false.  It’s a generally accepted theory.  That’s a close to true as science can get.

Edited by Bombastinator
Added an explanatory bit

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I mean this was done in mice, they have different habits to humans in their natural life. I dont subscribe to the "I LOVE TO MAKE IT LOOK LIKE I PEED ON MY DISPLAY BECAUSE MUH EEEEEEEEEEEYYYYYYYYYYYYYYYYYYYYSSSSSSSSSSSSSSSSSSSSSS!!!!!!!!!" gang but i would be interested in seeing a study using similar methods in humans instead.

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This doesn't change anything.

 

If you filter out blue light and don't turn up the brightness you'll end up with a lower brightness overall.

 

To not have an effect using a blue light filter you'd have to turn up brightness to compensate.

 

If his study is accurate and found the truth basically a blue light filter should stilll help, but not for the reason you thought. It's not blue light specifically but overall brightness level.

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Don't forget people, that somewhere in all the claims of "who paid for that study" and "remember when science said X was good for you",  as humans progress with research and scientific endeavor we learn more and understand more.  Sure the science has presented us we new evidence leading us to change our position, but that is how we know the scientific method is working and that the people who changed their minds are only interested in the best evidence.   We can only operate on the best evidence we have today, as dismissing washing your hands because 200 years ago they didn't understand germs is as stupid as excluding a research outcome based solely on it's funding and not it's own merits.

Grammar and spelling is not indicative of intelligence/knowledge.  Not having the same opinion does not always mean lack of understanding.  

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Well, as an IT professional I stare at screens all day. I am still reaching for my glasses that filter out blue light when my eyes get tired. It still helps me. However I never really noticed a big change in my night rest.

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5 hours ago, Bombastinator said:

Who funded the study is a big one.

In this case it was the BBSRC, which is a public funded organization. It's part of the UK Research and Innovation organization.

There is no bribes or profit motivations involved here. The money comes from taxpayers, not companies.

But yeah, it's important to look at where the money comes from. In this case we probably don't need to worry about there being ulterior motifs.

 

 

 

4 hours ago, Ryan_Vickers said:

Make no mistake, while there are many similarities between mice and people, they're used because they're cheap, have quick lifecycles, and for some reason are not subject to the same ethical rules covering many other animals, not because they're a perfect analog.  Plenty of things turn out to not make that leap.

There are at least three more reasons why they are used that I can think of.

1) The mice and rats used for research are heavily inbred so that they are almost identical to one another. That makes testing very predictable and uniform. If one lab rat reacts a certain way to a medicine, then it's a very high probability that all lab rats react the same way.

2) Mice and rats are actually very similar to humans. Not just genetically but also biologically and in terms of behaviour. Because of this they can get a lot of the same diseases humans can get, which is not true for a lot of other animals. 

3) At this point, mice are VERY well understood. We can be pretty confident that if a mice reacts one way, we can predict how a human reacts as well.

 

 

It kind of bothers me when people go "well they just tested it on mice so it doesn't mean it's true for humans". Scientists didn't decide to use mice at random. They picked them because we are very good at translating mice results to human results.

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26 minutes ago, LAwLz said:

There are at least three more reasons why they are used that I can think of.

1) The mice and rats used for research are heavily inbred so that they are almost identical to one another. That makes testing very predictable and uniform. If one lab rat reacts a certain way to a medicine, then it's a very high probability that all lab rats react the same way.

2) Mice and rats are actually very similar to humans. Not just genetically but also biologically and in terms of behaviour. Because of this they can get a lot of the same diseases humans can get, which is not true for a lot of other animals. 

3) At this point, mice are VERY well understood. We can be pretty confident that if a mice reacts one way, we can predict how a human reacts as well.

 

It kind of bothers me when people go "well they just tested it on mice so it doesn't mean it's true for humans". Scientists didn't decide to use mice at random. They picked them because we are very good at translating mice results to human results.

It is a real issue and I think you're dismissing it a bit too easily.  For one thing, there genuinely are issues with trials from mice converting to the same results on people:

Quote

the utility of the use of rodents in testing for sepsis,[12] burns,[12] inflammation,[12] stroke,[13][14] ALS,[15][16][17] Alzheimer’s,[18] diabetes,[19][20] cancer,[21][22][23][24][25] multiple sclerosis,[26] Parkinson’s disease[26] and other illnesses has been called into question by a number of researchers.

https://en.wikipedia.org/wiki/Animal_testing_on_rodents

 

This is due in some cases to genetic and physiological differences, and in some cases simply to poorly run experiments.  Source 16 above gets into this - many trials that initially shows promise later were found to not work.  This directly refutes that mice are "very well understood" and in general that we can predict how outcomes will translate to people.

 

There are also significant reasons for them being used that have nothing to do with how good they are as a human stand-in.  In addition to everything both of us listed above, there is simply such a huge body of work, not to mention a systemic bias toward requiring them to get approval to move forward with other tests, that at this point it doesn't really matter why they were chosen initially, we're kind of stuck using them whether they're good or not.

 

Again, I'm not saying they're useless or all test results using them should be ignored, but the claims do have to be tempered.  It's not baseless dismissal, there's a very real gap between things proven to work a certain way on mice and how they will work on people.

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6 hours ago, Caroline said:

If you rotated 360° you'd still be in front of the monitor.

To be honest, it'd be hard to 180 *then* turn the monitor off... backflipping before bed is a strange recommendation.

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5 minutes ago, Ryan_Vickers said:

Again, I'm not saying they're useless or all test results using them should be ignored, but the claims do have to be tempered.  It's not baseless dismissal, there's a very real gap between things proven to work a certain way on mice and how they will work on people.

When it comes to commenting on the different results in rodents versus humans,  The reality is that unless people understand the reason for the rodent trial and the caveats that have been accounted for specifically in any research, then commenting one way or the other can be rather disingenuous.

Grammar and spelling is not indicative of intelligence/knowledge.  Not having the same opinion does not always mean lack of understanding.  

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2 minutes ago, mr moose said:

When it comes to commenting on the different results in rodents versus humans,  The reality is that unless people understand the reason for the rodent trial and the caveats that have been accounted for specifically in any research, then commenting one way or the other can be rather disingenuous.

Well the reason for the rodent trial is pretty simple and the same in basically every case; it's just how everything is started, for a long list of reasons that has now been mentioned.  From there, if it shows promise, it then has to go on to other trials, up to and including human ones.  If those are good, and others can repeat the results, then we can be pretty sure we've solved it, but until then it's basically "beta research".  It doesn't mean ignore it because it's not people, and it doesn't mean it can be extrapolated to mean it's proven in people.  It means there's early positive signs and more study is worth doing.

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3 minutes ago, Ryan_Vickers said:

Well the reason for the rodent trial is pretty simple and the same in basically every case; it's just how everything is started, for a long list of reasons that has now been mentioned.  From there, if it shows promise, it then has to go on to other trials, up to and including human ones.  If those are good, and others can repeat the results, then we can be pretty sure we've solved it, but until then it's basically "beta research".  It doesn't mean ignore it because it's not people, and it doesn't mean it can be extrapolated to mean it's proven in people.  It means there's early positive signs and more study is worth doing.

I know why they do them, I also know why they don't and I know many of the criteria set aside for setting up rodent trials.  I have dedicated the last 18 years of my life to reading published articles on everything from behavior, society, education, mental health, medication (specifically SSRI's and amphetamine based medication) and autism.  I don't consider myself to be educated enough to decide when a rodent trial should be considered as relevant or not.  And I deeply suspect very few people on internet forums are either.  

 

Watching people try to dismiss peer reviewed research by dissecting the abstract (or media article on said research) and inferring the researchers didn't account for X,Y and Z because rodent trials are A, B and C never ceases to amaze me.   I don't consider what you are saying to be dismissive as such,  I just find it runs awful close to empowering people to start appraising the research for validity (or lack thereof) when they lack the education and knowledge required to do so.

 

 

Grammar and spelling is not indicative of intelligence/knowledge.  Not having the same opinion does not always mean lack of understanding.  

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2 hours ago, mr moose said:

or media article on said research

Honestly this is really where a lot of issues start, not the research paper. Too often "our findings show, with a degree of certainty above statistical anomaly, that X.... etc etc" is turned in to media reports of "X causes cancer, research shows". I think it was Last Week Tonight that did a rather amusing montage cut of news and morning shows saying XYZ causes cancer. Like no there is a big ass difference between "UV causes cancer" (we do know this with extreme certainty) and "coffee causes cancer" (link above error shows correlation), correlation != causation so the saying goes.

 

But yea there is lots of flawed research out there, again that ep of Last Week Tonight about it covers many of them (really hope it was that show and not something else I watch). One of the factors I deeply dislike is the requirement from universities that their academics publish papers each year to keep the accreditation and academic standings, this is because number of papers published effects university rankings. Because of this you get junk, waste of time, pointless research that barely qualifies as enough change from the last one to count. I used to know some really great local examples. I do wonder how much time and money gets wasted on this problem.

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1 minute ago, leadeater said:

Honestly this is really where a lot of issues start, not the research paper. Too often "our findings show, with a degree of certainty above statistical anomaly, that X.... etc etc" is turned in to media reports of "X causes cancer, research shows". I think it was Last Week Tonight that did a rather amusing montage cut of news and morning shows saying XYZ causes cancer. Like no there is a big ass difference between "UV causes cancer" (we do know this with extreme certainty) and "coffee causes cancer (link above error shows correlation), correlation != causation so the saying goes.

 

But yea there is lots of flawed research out there, again that ep of Last Week Tonight about it covers many of them (really hope it was that show and not something else I watch). One of the factors I deeply dislike is the requirement from universities that their academics publish papers each year to keep the accreditation and academic standings, this is because number of papers published effects university rankings. Because of this you get junk, waste of time, pointless research that is barely qualifies as enough change from the last one to count. I used to know some really great local examples. I do wonder how much time and money gets wasted on this problem.

I have seen some (quite frankly ghastly) work being published in off journals, stuff so bad it wouldn't even get graded at most universities.  This is why I hope the big journals maintain their stringent publication standards.   Without those the whole institution faces an insanely hard battle trying to explain the difference between good research and bad research to the all consuming plebs with no education on the topic at all.

Grammar and spelling is not indicative of intelligence/knowledge.  Not having the same opinion does not always mean lack of understanding.  

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4 hours ago, LAwLz said:

In this case it was the BBSRC, which is a public funded organization. It's part of the UK Research and Innovation organization.

There is no bribes or profit motivations involved here. The money comes from taxpayers, not companies.

But yeah, it's important to look at where the money comes from. In this case we probably don't need to worry about there being ulterior motifs.

 

 

 

There are at least three more reasons why they are used that I can think of.

1) The mice and rats used for research are heavily inbred so that they are almost identical to one another. That makes testing very predictable and uniform. If one lab rat reacts a certain way to a medicine, then it's a very high probability that all lab rats react the same way.

2) Mice and rats are actually very similar to humans. Not just genetically but also biologically and in terms of behaviour. Because of this they can get a lot of the same diseases humans can get, which is not true for a lot of other animals. 

3) At this point, mice are VERY well understood. We can be pretty confident that if a mice reacts one way, we can predict how a human reacts as well.

 

 

It kind of bothers me when people go "well they just tested it on mice so it doesn't mean it's true for humans". Scientists didn't decide to use mice at random. They picked them because we are very good at translating mice results to human results.

Which is why I like EU studies more.  They have more of that than the US does.

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As a prominent advocate of both light themes - e.g light backgrounds/no dark themes - as well as a user of blue light filters on my PC, laptop, phone, and any electronic device that supports it, not going to lie, the headline had me intrigued.

I've been using blue light filters for easily 1/3 of my life now and I'm heavily in favour of blue light filters affecting my nighttime wind-downs to sleep, especialy since I'm a minor insomniac.

 

From my perspective, I believe the reason blue light filters works is because it shows hotter tones which are subdued and appear less vivid and bright than the normal blue LED colder tones which are harsh and bright.

Being a person who uses blue light filters as well as lowering the brightness at night (from my already low brightness on my devices) I might be in the minority who is using blue light filters in an unconventional way given their original intention.

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The study suggest that instead to use brighter light during the day, and dimmer light in the evening to help you sleep.

This is something that should be automatic in monitors like in cell phones, where the brightness is adjusted automatically with the amount of surrounding light. I'm kinda surprised its not come up yet?

 

Not a lot of people know this but when you drive at night you should dim your dashboard to allow you to see better and further. This applies mostly outside of cities.

 

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I used to game late into the night when this "blue light" wasn't even a thing and I never had problems sleeping. I also prefer cool white lights and my systems always had blue status lights and in the past I even had one LianLi case with blue intake fans that emitted some blue light in the front, albeit little since I ran them at low RPM, so low light too.

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26 minutes ago, exetras said:

This is something that should be automatic in monitors like in cell phones, where the brightness is adjusted automatically with the amount of surrounding light. I'm kinda surprised its not come up yet?

Yea, monitors don't have ambient light sensors. This is probably because the manufactures sees no marketable value in this. I disagree.

 

Quote

Not a lot of people know this but when you drive at night you should dim your dashboard to allow you to see better and further. This applies mostly outside of cities.

Modern cars all or nearly all (at least in Canada and US), do adjust the screen(s) and interior lighting based on outside light. They tend to reasonably balance visibility of buttons and not blinding you with bright screens at night

 

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I never really used it though, didn't like such a color change, I'd rather lower brightness way down it's better so. Also I don't get those that use like Gunners for PC too, just why. I look at monitor pretty much most of the day and never saw a need for such. Then again I'm not a moron to use a display in pitch black room as a sole source o light. 

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not sure on this, every day there's a new study that claims something that gets disproved by another study 


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15 minutes ago, Rohith_Kumar_Sp said:

not sure on this, every day there's a new study that claims something that gets disproved by another study 

Well they are a few factors. 2 of them I can name.

For one, there is the question of challenge, as in, challenging ones research data, conclusions and method used. Flaws are found and new idea comes in. This is normal. A research is usually made by a team that usually honestly do their best. But like security systems in the PC world, nothing is full proof, and things using new ideas and approaches are pointed out, or flaws from a research are noted. When the "blue light is bad for you" research came in in hype in the media, people took immediate action (especially entrepreneurs who saw dollar signs by selling over priced glasses to consumers who rushed purchase them). Validity of a research takes time. In the medical field, a simple medication can easily take 10 years before it gets in the hands of consumers. Lots of validity and side-effect tracking needs to take place (and still new side effect are found after a medication is release).

 

I am sure that a new research will soon come out and disprove the one mentioned here. And I am sure another one that will followed using different testing methods will re-disprove the one that disproved this one. In a way, I guess one can see research as an argument based on facts. You'll have counter arguments as well.

 

Another factor is, in my opinion, flawed university rating model. People like to rank universities with simple score system, and sadly that is idiotic, at the very least, the way teh scoring works. For example, poor performing students is seen as a positive to the university, hence why universities tend to apply the funnel effect (start with massive classes, and in your final class, you are in a room smaller or the same size as you where in high-school). It seen as a positive, not because professors sucks at their teaching, but rather it is seen as "professors are perfect, and can perfectly make all students understand without exception, and the failure is due to the 'high-challenge' of the classes". This is none-sense.

So back to this topic, universities are pushing professors to release research studies, as the more one has per year, the better the university score is. Quality of the research is not put into consideration. Now you can say "But publication journals, surely wants quality", and that is true.. until the journals realized that what get subscribers is a large database, and not quality as much. So it is a balancing act that they perform.

 

So if, blue light filter helps a person, then great! It could be a placebo effect, sure, but in the end it genuinely helps the person. Or the reason it helps the user is maybe not because of the blue light being reduced itself, but an unexpected side effect that help (like reduction of the screen illumination as you have more light being blocked from the LCD panel), or it is true, and this study mentioned is no good. 

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I cant bother reading the article but based on this:

 

"...found that blue light filter doesn't help you sleep at night, doesn't play with your internal clock, nor is blue light (unsurprisingly) is bad for you. The study has found that actually, we respond more to red/yellow light."

 

The whole study is pointless, blue light filter is made to reduce blue light ammount in order to not burn your retina which is sensible to blue light and can affect our vision long term and to reduce eye strain, our eyes evolved in natural warm light, they dont play well with artifical white(blue) light.

Blue filter was not made to help you sleep or anything else.

And it actually helps me a lot, i keep my laptop and phone almost always on reduced blue light and it massively reduces eye strain, i wake up with less or no eye strain the second day, i remember before  blue filter used to be a thing i always had red bleedy eyes after a late night on my PC or phone, now those days are gone, i rarely have to use eye drops for irritation nowdays.

 

This proves to me many of these studies are done for other reasons behind, like nitpicking on something that works somewhat to make it controversial and gain reputation. But thats just me. Too many annoying "studies", just make up your own mind, blue filter is not placebo it helps me and i notice the difference in eye strain immediately in dark or low light rooms.

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I'm probably gonna keep using the slightly yellow-tinted glasses when on my computer. Placebo or not, I notice more eye fatigue without them. Especially in the office.

I'm pretty sure my purpose in life is to serve as a warning for others.

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