There are journalists-for-hire and there are scientists-for hire. Both are being efficiently used by the telecom industry to defend 5G and to spread information and misinformation. Industry complains about misinformation spread by the anti-5G activists. But the industry itself, in debunking activists claims, is spreading own kind of misinformation on 5G.

On April 13th 2021 I have published on medium.com an opinion on the reliability and trustworthiness of safety guidelines produced by International Commission on Non-Ionizing Radiation Protection (ICNIRP) “5G is testing the limits of trust”.

On April 21st, 2021, Stefani Forster, also on medium.com, has published an opinion “Does 5G cause cancer? Claims need evidence, not opinions”.

Below is my response to the Stefani Forster’s opinion on 5G. The whole text of Stefani Forster is quoted (SF) and in appropriate places are inserted my, Dariusz Leszczynski (DL), comments and clarifications.

It is a long blog as it contains the full text of Stefani Forster’s post supplemented by my answers. Bear with me till the end…

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Stefani Forster: 5G will allow us to do amazing things, like power self-driving cars, enjoy virtual reality experiences and even provide remote health care. But there’s growing concern over what it might do to us, too — like weaken our immune systems, and even cause cancer.

Dariusz Leszczynski: Correct, industry is extremely powerful in advertising 5G as bringing ‘heaven-on-earth”.

SF: Alarmists are claiming a conspiracy, comparing big telecoms to Big Tobacco, or blaming Bill Gates (and linking it all to COVID-19). Meanwhile, scientists liken 5G scaremongers to anti-vaxxers and quacks.

DL: Too much of social media is bad for science, indeed. However, there are really issues and experiences with Big tobacco, Big pharma, and now Big telecoms. Industry is supposed to make profit. If profit is endangered by unclear, ambivalent science then down with the science. Scientists can be hired and journalists can be hired, too. With their help it is easy to produce “industry-suitable” explanation of science. And, any scientist that questions the validity of “industry-suitable” science for hire, is called alarmist and quack. And this shaming is easy to disseminate with journalists for hire working for news media for hire and in social media for hire.

SF: The result is an ugly public battle, with well-meaning journalists giving credence to both sides in the name of “balanced reporting.” This muddles the truth even further.

DL: Indeed, current debate on 5G and health is not debate but just a mudslinging exercise. No matter how “clean” one is, mud sticks!

SF: Thankfully, we have scientific rigor to cut through the noise. In the debate over whether 5G causes cancer, opinions don’t matter — we have to look only at the science to determine fact from fiction.

DL: Indeed, scientific rigor should be applied but it is not. Industry, with scientists-for-hire and journalists-for-hire, disseminate interpretation of science that fits the industry. And industry appears to be a solid block, united front against those that criticize “industry science”. Activists, are not such solid block. It is mishmash of real science and real wacko opinions. Just these wacko opinions, expressed on social media, are picked-up by the industry and scientists-for-hire and journalists-for-hire and used for the full-scale condemnation works. No matter whether scientist or whether wacko, all are treated with the same condemnation and disrespect.

SF: How does radiation work? Public alarm over radiation exposure is nothing new. Microwaves, high-voltage power lines, and cell phones have all led to panic and paranoia over radiation exposure some point or another. “Radiation” is a loaded term meant to scare, but in reality, it’s all around us; from the sun’s cosmic rays to trace amounts of radioactive minerals found in our food and drinking water. (Fun fact: bananas are slightly radioactive.) Not all radiation is created equal. Radiation levels and their potency are categorized on an electromagnetic spectrum, which is divided into two categories: Ionizing and non-ionizing. Ionizing radiation — which we’re exposed to during air travel, in X-rays and tanning beds — can damage the DNA in your cells, either killing them or mutating them in ways that can lead to cancer. Non-ionizing radiation, on the other hand, is too weak to break chemical bonds. WiFi and cell phones, which currently operate in the microwave portion of the spectrum, fall into this category. For radiation to be considered dangerous, it needs to be ionizing, which 5G (and 4G and 3G) is not.

DL: The sentence “Non-ionizing radiation, on the other hand, is too weak to break chemical bonds” is incorrect. Non-ionizing radiation can activate oxidative stress and this way can break chemical bonds. Problem is that in order to break bonds free radical molecules created by the oxidative stress are very short living and can affect only molecules being really close by to site of generated free radical. So, non-ionizing radiation can and does break chemical bonds, although in a different way than ionizing radiation. Another misleading claim is that only radiation that delivers certain dose of energy can have effects on molecular bonds. Not really. Let us not forget that cells have extremely powerful intrinsic modifiers of molecular bonds – enzymes. Enzymes break normally/spontaneously unbreakable bonds. These are reasons why non-ionizing radiation should be examined for its biological effects on cells, tissues and organisms.

SF: By harnessing millimeter wave (mmWave) spectrum technology, 5G promises faster data speeds at a higher electromagnetic radiation frequency than 4G — triggering consumer anxiety over increased exposure to radiation and cancer. But…we’re not talking Chernobyl here. Visible light emits more radiation than cell phones. And even at these higher frequencies, the skin acts as a barrier, protecting us not only from visible light (not including ionizing, harmful UV rays) but from microwaves, too. I asked Dr. David Robert Grimes, an Irish physicist and cancer researcher, if the current health concerns over 5G radiation had any merit. “I find 5G so boring,” he said. “Unlike most topics where you can have an interesting, nuanced discussion, there’s literally no evidence for any of the things [alarmists] say, and plenty against it.” Scientifically speaking, he thinks we should be more concerned about radiation emitted from our light bulbs than our cell phones. And yet…

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DL: Nothing else to say that the industry go-to-expert, Mr. Grimes is “so boring”. Becoming industry expert-for-hire makes him to repeat the same misleading claims over and over again. But the industry likes these “boring opinions of Mr. Grimes” and with industry support, whatever it is, he repeats these all around the world… nobody questions validity of claims by expert-for-hire.

SF: Is 5G a ‘carcinogen’ ? I wondered: If we know cell phones and 5G are non-ionizing, then why are they listed as “possible carcinogens” by the International Agency for Research on Cancer (IARC)?

DL: I was one of the 30 experts invited by the IARC in 2011 to determine carcinogenicity of cell phone radiation. So, I know how discussions went and how overwhelmingly prevailing, among the 30 experts, was opinion that cell phone radiation should be classified as a possible human carcinogen, category 2B. As I stated above, non-ionizing radiation can cause biological effects by mechanisms different from ionizing radiation. Simply, being non-ionizing doesn’t equal non-carcinogenic.

SF: Currently, there are four levels of carcinogen classifications. Class 1 is carcinogenic to humans. This includes everything that we have evidence causes cancer. Tobacco, X-rays, drinking alcohol and eating processed meat are all in this category. Class 2 is essentially a dumping ground. “It’s stuffed with everything,” says Grimes. “It’s basically, ‘maybe causes cancer but we don’t have any evidence for it,’ which is basically everything in human creation.” To complicate things further, Class 2 is subdivided into two categories: 2A (probably carcinogenic) and 2B (possibly carcinogenic). Red meat, shift work and hot beverages over 65 degrees Celsius fall in the 2A category. The 2B list is significantly longer, and includes things like the aloe vera plant and radio frequencies, such as those associated with our wireless phones.

DL: There are strict rules in IARC, how scientific evidence is used for classification of carcinogenicity of agent. Fact that in groups 2A – probable carcinogen and 2B – possible carcinogen are classified very many different agents is rather problem of science and scientists, not the IARC. IARC evaluates science that was published. If the science is of poor quality or ambivalent IARC has to classify it. Scientific evidence is overwhelmingly not white and not black but very many shades of gray. IARC classification rules are OK, the science needs to be improved in its quality.

SF: Class 3 includes things like water, which we are quite certain isn’t carcinogenic, even though it hasn’t been definitively proven. Half of the world’s substances fall into Class 3. And in case you didn’t get the idea of how low the bar is: As of August 2019, there are no materials on earth that fall into Class 4, which means there is nothing that we can know for sure doesn’t cause cancer. What people don’t realize is these classifications describe the strength of the scientific evidence about an agent being a cause of cancer, rather than assessing the level of risk. Unfortunately, the IARC is notoriously bad at communicating this.

DL: Unfortunately, this claim is a lie: “Unfortunately, the IARC is notoriously bad at communicating this.”. IARC informs clearly that classification tells about hazard, nothing else. On the other hand, journalists do not understand this and misinform in their writings.

SF: So what does this all mean, as far as our risk of developing cancer? Essentially, we don’t know what we don’t know. There’s no concrete evidence we can point to that tells us cell phones (or aloe vera, or hot beverages) cause cancer or to what extent. But there’s also not enough evidence to prove there’s no link whatsoever, either. This is true for everything that is currently not in Class 1, and virtually all around us.

DL: The scientific evidence points to increased risk of developing brain cancer in long-term avid users of cell phones.

SF: That isn’t to say we shouldn’t be wary or conduct further research. “Given the potential consequences for public health of this classification and findings, it is important that additional research be conducted into the long‐term, heavy use of mobile phones,” IARC Director Christopher Wild said in a 2011 statement. “While we don’t know of any mechanism now, we do have to keep our minds open,” Grimes said. “Maybe there’s something really weird that we should be keeping an eye out for, continue researching and running studies for potential harms.” Thankfully, that’s what scientists have already done for decades regarding microwave radiation, and indeed, all types of electromagnetic exposure.

SF: The research: What we know — and don’t know; Epidemiological research on 5G and cancer As far as the laws of physics and ionization are concerned, 5G shouldn’t worry us. But that’s only one field of scientific study. After all, we can’t rely on physicists to inform our knowledge on biochemistry. What about epidemiological evidence?

DL: Again the incorrect claim that non-ionizing radiation means no-worries. It is incorrect.

SF: In health research, randomized controlled trials (RCT) — where researchers take test subjects and randomly assign them to either treatment or placebo — are considered the gold standard of evidence. Unfortunately, it’s impractical, if not impossible, to conduct an RCT on cell phones and cancer on humans. We’d have to assign particular levels of cellphone use to thousands of people, and trust they’d all maintain that level of use for at least five years, to get accurate data. The next best thing are cohort studies. A massive, 13-country INTERPHONE cohort study conducted by the IARC found no elevation of gliomas or brain tumors in populations that used phones heavily, except perhaps at the highest level. Even then, they concluded that “biases and error prevent a causal interpretation with regard to the increased risk of glioma observed at the highest exposure levels.”

DL: Very unclearly and misleadingly written. INTERPHONE has shown an increased risk of developing brain cancer glioma in group of people that reported using cell phone for 1640 hours over the 10 years period. That means exactly using cell phone for 27 minutes per day, every day for 10 years. Less than 30 minutes of daily use can increase risk of glioma by 40%. Two other studies, from France and from Canada, observed increase of risk of glioma by 100%. Finally, set of studies from Sweden observed increase of risk of glioma by 170%. These results seem to be of no importance for Mr. Grimes and for the industry. One more thing that is misleadingly reported. Namely, in the INTERPHONE study it was observed that regular use of cell phone does not increase risk of cancer. The tricky part is what scientists of INTERPHONE considered as regular user of cell phone. Regular user was defined as: person making one phone call per week over 6 months period!!! It means that person making total of 26 phone calls over period of half-a-year should not worry. Ridiculous definition of regular user!

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SF: Even if mobile phones caused some brain cancers, what you’d expect to see is something similar to smoking — the heavier the smoker, the more likely they are to develop lung cancer — the more cell phone usage, the more likely cancers would manifest. According to Grimes, “that dose-response relationship doesn’t exist for cell phones. It isn’t there. It’s just noise. That would imply, from an epidemiological standpoint, that there’s no evidence of harm.”

DL: Mr. Grimes is mixing truth with half-truth. Indeed, the dose-response is not proven yet. Why? Because in all epidemiological studies scientists know precisely the numbers of cancers but they do not know real cell phone radiation exposures. These exposures are presented using a surrogate – minutes of calling. This has serious scientific consequences. Two persons talking for the same length of time may have dramatically different radiation exposure depending on the person’s proximity to cell tower. Cell phone of person close to cell tower emits less radiation than the phone of person being far away from cell tower. But in epidemiological studies, persons exposed to different levels of radiation are analyzed in the same “exposed group” based on minutes of calling. As long as we do not find way to know radiation exposure as such, and not surrogate, we will not find dose-dependency, no matter whether it exists or not.

SF: As cell phones have become more and more ubiquitous, brain tumor rates have not been going up in the United States. If cell phones cause brain tumors like cigarettes cause lung cancer, we should have seen an alarming increase by now.

DL: Indeed, cell phones are ubiquitous and brain cancer not. The problem is that this opinion linking ubiquity of cell phones with ubiquity of brain cancer assumes, incorrectly, that every cell phone user will get brain cancer. It is incorrect. Only some persons might develop brain cancer. It depends on sensitivity of the genome and epigenome of the person. So, not every user will get cancer. Only selected few will get it. Unfortunately, right now we have no method to detect these sensitive, vulnerable, persons.

SF: Nonetheless, the scientists involved in the study could not agree on how its results should be described. John Niederhuber, the then-director of the National Cancer Institute, said that INTERPHONE “illustrates how difficult it is to identify and corroborate, or definitively rule out, any possible association between [cell phones and cancer].” Adding to the confusion: the INTERPHONE study was partially funded by the mobile phone industry, though it was subject to guarantees that the study would remain scientifically independent. This garnered significant skepticism over its results. Consequent cell phone radiation studies funded by telecom companies have, understandably, led to well-placed concerns about bias, while adding fuel to the conspiracy fire. Still, we can point to at least five other high-quality cohort studies — published in the Journal of the National Cancer Institute, the American Journal of Epidemiology, the European Council of Cancer Prevention, the International Journal of Epidemiology, and Bioelectromagnetics — that overall, found no increased risk for cancer, but perhaps a small increased risk for the non-cancerous tumor neuroma. (Researchers noted these tumors were so rare that they were uncertain about the link.)

DL: The first two of these 5 studies are from the infamous Danish Cohort. See also the above mentioned by me studies that show increase in risk of developing glioma…

The five studies, published between 2009 and 2016, were not funded by the cell phone industry and are less likely to be biased. But it’s important to note that how we use cell phones has changed dramatically over the last decade. The data could be outdated. It’s possible that longer-term studies will find larger cancer effects in another five or 10 years, but until then, the research so far has one thing in common: lack of evidence. This is a major problem with cell phone science at the moment.

SF: ‘If you torture the data, it will confess to anything’ Biological research on radiation with rats What about animal studies? By studying cell phone radiation effects on rats and mice, we can supplement our understanding of cell phone radiation’s effect on human biological functions. But animal research has its limits, too. A series of studies that were released in October 2018 by the National Toxicology Program of the National Institutes of Health (NIH), went to great lengths to study the effects of cellphone radiation in rats and mice. They suggested there may be a link between noncancerous heart and brain tumors in male rats. But there were problems. For one thing, the rats were exposed to more radiation and for longer durations than humans typically experience. There was also no consistent pattern found for exposed female rats or the male and female mice — only the male rats. The rats exposed to cell phones strangely seemed to outlive the rats in the control group. And unlike tobacco, there was no clear linear relationship between higher levels of cell phone exposure and more cancer at tissue sites.

DL: This is some misconception about toxicology studies. Generally there are two kinds of toxicology studies, those that expose animals over their life-span to doses of radiation experienced by people and those where animals are exposed to highest dose tolerated by the animal (that was in NTP study). If study with “human levels of exposure” over the whole life of animal ends with no effect – it means that we do not know whether health of humans exposed to such radiation levels will be affected or not. When experiments with the highest doses, tolerated by the animal, end with no effect, we can assume that humans will not be affected. However, if the result is health impairment in animal, this does not mean that human health will be affected in the same way! It means that there is a potential risk of some health effects in humans. And this is the outcome of the NTP study. What is necessary to state that NTP studies are the best and the most scientifically stringent toxicology studies performed in the world. The NTP studies are the gold standard.

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SF: So, non-ionizing radiation from cell phones may not be completely harmless, and could perhaps cause biological changes in animals in some circumstances. But but the evidence is weak and results ambiguous, at best. Nonetheless, in a phone interview with Dr. Anthony B Miller — a former oncology professor from the University of Toronto, and an outspoken advocate against 5G and all wireless communication technology — he warned, “we are potentially on the edge of a major human disaster.” He said numerous studies have shown a clear link to human brain cancer. (They haven’t). And that we “already know this form of radiation damages other biological systems” (we don’t), and that in animals, we’ve seen “cancers with nerves of the heart,” (citing the rat study, which only found weak links with noncancerous tumors — and no link to cancer). He further predicted 5G will result in “major problems in the brain, with most people developing an early form of Alzheimer’s disease.” But there hasn’t been any conclusive evidence linking microwaves to Alzheimer’s. Some studies even curiously suggest cell phone use might actually fight the disease. Here’s the thing: 5G alarmists don’t ignore the current data. Quite the opposite. They cite the current research out there and draw their own conclusions, sometimes differing from the original researchers’. Grimes calls this, “massaging a lack of evidence into evidence.” “To me, that’s very similar to how anti-vaccine cranks operate. They will take all of this positive safety data and analyze it in a certain way, so they can say, ‘Aha, look at that!’ But the kind of tests they are doing are called post-hoc tests. It’s cheating.” Post-hoc testing is a particular sore spot for Grimes. He’s decried this practice to call out charlatans who take advantage of vulnerable people using pseudoscience, particularly autistic people and cancer sufferers. “There’s an old saying that goes, if you torture the data, it will confess to anything.”

DL: The problem is not the torturing of data, as Mr. Grimes jokes. The problem is the ambiguity of data that is prone to under-interpretation (by industry experts-for-hire) and to over-interpretation (by orthodox activists). This is the problem

SF: Why evidence is everything — and more is needed When an epidemiologist sets up their study, they pre-specify what outcome they’re looking for and what they’re looking to measure. They can’t just disregard data points that don’t suit them. But if someone has their own agenda, they can, and frequently do. Scientists are not immune from human psychology, and there are plenty of scientists that engage in motivated reasoning. The classic example is Andrew Wakefield, who had data about the fake link between vaccines and autism, which still does huge harm today. His motivation was financial, but a lot of people’s motivations can be ideological.

DL: Mixing-in scientist who faked-data is inappropriate here. We should stick with the data.

SF: “You get people with very strong opinions,” says Grimes. “I call it, ‘retired professor syndrome,’ in that they decide they no longer need evidence for those opinions. And I would argue, they’ve forgotten what science is.”

DL: The arrogance and narcissism of Mr. Grimes has clearly no limits. It is OK to criticize opinions of retired professors based on evidence. However, claiming that the retired professors forgot what science is, is simply rude, but knowing Mr. Grimes, I am not surprised.

SF: So what’s the evidence? Where’s the science? Here’s what we know: The most consistent studies we have linking mobile phones to cancer have been thoroughly researched and proven insufficient. 5G’s radiation is fundamentally no different than WiFi or 4G networks, as far as the microwave spectrum is concerned. However, it will be more pervasive and at higher frequencies, and with our cell phone habits constantly evolving, it is certainly worth studying further. Just because there hasn’t yet been any solid epidemiological evidence to suggest it’s harmful, doesn’t mean we should abandon harm-reduction research as we enter into the 5G era, but based on what science tells us, there’s no need to panic.

DL: Wrong. 5G is combination of 3G, 4G and new frequencies of millimeter-waves. Millimeter waves are new, not used in the past. There is only some 100+ studies that examined effects of millimeter waves. In 2019, Simkó and Mattsson published a review of just 97 experimental studies. In 2020, Leszczynski published a review of just 99 experimental studies. In 2021, Karipidis et al. published a review of just 107 experimental studies. This is absolutely not enough to develop any opinion on health effects or on what the human health policies should be.

SF: Many anxieties over 5G technology are cause for immediate concern — like the political and ethical ramifications of data storage and privacy. But radiation exposure simply isn’t one of them.

DL: This opinion is incorrect. The jury is still out and caution needs to be advised.

Between a Rock and a Hard Place – Dariusz Leszczynski