Cancer   GIS studies a powerful and unexploited technique but convolution must be taken into account and correlation or anti-correlation doesn’t always mean causation unless you’ve got occupation or infection then surely you have revelation?  Revised June 2015   By Dr Chris Barnes, Bangor Scientific and Educational Consultants   e-mail 

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GIS techniques have been used to acquire and contrast data for GSM cell phone penetration, Night Light (wealth index) and Total Sunshine amounts in correlation with incidence statistics for 10 common cancers on a global scale. A huge wealth of information is apparent in the main data table some at first sight unexpected.  A systematic explanation of the correlated behaviour of each cancer in sign and magnitude is given in terms what is already known or is beginning to be found out or even hypothesised upon in the contemporary literature regarding occupational occurrence and/or causation by disease.  



One motive behind this work is to try and get the decision makers of this world to sit up and listen regarding the absolutely undeniable link between breast cancer   and light at night.  Despite there being approaching 400 publications in 2015 alone and over 3000 since 2014 typical cancer information websites such as [1] do not even mention the link. Instead they prefer to tell us women get breast cancer because they are too affluent, eat too much fat, have babies at the wrong time or use the Pill or HRT.   


I have already show in a previous publication the undeniable link between breast cancer and lack of sunlight (VITAMIN D) [2] and explained how government propaganda to keep out of the sun and slap on the sunscreen is exacerbating the situation.  


A second motive behind this publication is to attempt to firm up on the link between various cancers and RF radiation.  I have also published extensively on this topic elsewhere.


It is easy to see how links between cancer and affluence might arise. GIS techniques for example have allowed affluence index to be computed because it mimics the amount of light shone into space and detectable by satellite.   Also if you are affluent you are more likely to consume a lot of dairy.  The more light at night you have the less melatonin nature’s anti- tumour proliferation and cancer agent.    Too much dairy actually leaches the vitamin D on think at first sight it ought to be supplying.   It is clear to see that there are two mathematically convoluted functions at work here. 


A solar index too, could have double entendre when it comes to its use in predictive cancer aetiology as it may correlate with vitamin D provision but then again there is often more sun in the developing world so there will be convoluted correlation with nasty infections as well.  Vitamin D is often cancer protective, infections fuel cancer so we may therefore expect the signs as well as magnitudes of these correlations to change according to cancer type.  


Mobile phone penetration as well as being an indicator of finding places where there will be RF fields is perhaps also to be an indicator of wealth.  Once again any attempt which attempts to correlate geo-spatial cancer incidence with this parameter must take into account that the convoluted factors of wealth and Radio Frequency fields could potentially have opposite kinds of effects when it comes to cancer aetiology.    




I have taken incidence data for world cancers from website, global cancer facts and figures 2008 [3].  I have used data for Bladder, Breast, Cervix, Colorectal, Liver, Lung, NHL, Oesophageal, Prostate and Stomach cancer.  I used all sex average data with the exception of course of the male and female cancers and Lung and Stomach where female only data was used.  I did this because there are large parts of Russia/ Asia /China where smoking is mainly done by males and I wanted to explore these cancers in a more general and less weighted context.


I have taken GSM data from Vodafone and I have taken light at night wealth index data from ‘The World at night ‘index[4] estimated percentage wealth as being equal to 100 - % of population in poverty.


Individual graphical linear correlations   were performed using CurveExpert 1.4 [5] and p-values were calculated from R values and the number of degrees of freedom for each plot using an online calculator [6].


The data was condensed into a single XL file.


Results and Discussion

The results are shown in Table 1 below:


Table 1


The cancers I have typically described previously as the RF cancers i.e. Breast and Prostate show virtually identical correlations in this study.  NHL and Colorectal cancer also show a similar trend. These four cancers would appear to be positively correlated with RF and with Light at Night (both of which could also be wealth indicators) and negatively correlated with sunlight i.e. more vitamin D equates with less cancer.     Only by data mining the literature on occupational effects can we expect to glean to true correlation/ causation here.  I will proceed to explore this facet for every individual cancer in the study later in this present discussion.


The cancers least positively correlated with RF appear to be those of the Cervix (which is highly negatively correlated), Liver and Oesophagus which are not statistically correlated.   Since these are all cancers known to be associated to a greater or lesser extent with infective agents likely to be more prevalent in poor areas of the world, an anti-correlation with wealth ( as in this case measured by night light) is to be expected and is indeed found.  In the case of cancer of the Cervix GSM penetration appears simply to be acting as a comparable wealth indicator to night light but with liver cancer and Oesophagus cancer   the two ‘wealth indicators’   have correlations, although weak of opposite sign and worthy of further investigation. In the case of stomach cancer the two ‘wealth indicators are also of opposite sign but the weighting is reversed.  Clearly something very complex is happening here and I will attempt an explanation when dealing with each individual cancer.


Discussion of Individual Cancers

1.      Bladder 


Bladder cancer appears to be negatively correlated with Light at Night or more   likely wealth index. There is a positive correlation with sunlight suggesting an excess of incidence in hot/tropical countries.   Mostafa et al (1999) [7] have explained that carcinoma of the urinary bladder is the most common malignancy in the Middle East and parts of Africa where schistosomiasis is a widespread problem. Theirs and much other evidence supports the association between the parasitic infection schistosomiasis and bladder cancer.  Schistosomes are thought to account for about .1% of all cancers worldwide.  This means that given bladder cancer varies between been about the 6TH and 10th most common cancer in the world that schistosomes probably account for between 1-2% of all bladder cancers worldwide.  Up to 27% of female bladder cancer may be associated with recurrent UTI.  However, by far the most bladder cancer is, nevertheless, still thought to be associated with smoking.  


As distinct from the inverse correlation of bladder cancer in this present study with Light at Night, there is seen a significant positive correlation with mobile phone penetration (RF energy). 


Interestingly, Törnqvist et al [8] studied a cohort of 3358 power linesmen and 6703 power station operators classified in the 1960 population census in Sweden.  The cancer incidence between 1961 and 1979 was calculated in relation to all male blue collar workers. The relative risk of cancer (all sites) was 1.1, (1.0-1.2, 90% confidence limit) in the group of power linesmen and 1.0 (0.9-1.0) for power station operators consistent excess risk of leukaemia or brain tumour was found in the two occupational groups. In both groups a tendency towards an excess risk of cancer of the urinary organs was found.


This is somewhat supportive of the observed association between bladder cancer and RF in my present study in so far as both provide electromagnetic fields albeit of different frequency.  The link is most possibly in the effect of RF fields on melatonin. 


For example, the pineal hormone melatonin has been shown to reduce the incidence of experimentally-induced breast cancer in rats, the hormone is oncostatic and cytotoxic to breast, ovarian, and bladder cancer cell lines in vitro [9].   Thus, logically, with a lack of melatonin,    the converse, might be expected to be true.   There is indeed evidence for RF fields causing such a reduction.   

Burch et al 2002 [10]    showed that there are exposure-related reductions in 6-OHMS excretion where daily cellular telephone use of >25min was more prevalent. Prolonged use of cellular telephones may lead to reduced melatonin production, and elevated 60-Hz MF exposures may potentiate the effect, combining this with the results of Zhang above yields   elegantly consistent support with the observed positive regression   for stomach cancer and mobile phone penetration in this present work.

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2.      Breast


 There are more than 500 Papers Published in 2015 so far which mention a link between breast cancer and the circadian rhythm. There are more than 3000 papers published in 2014

321 papers in 2015 so far mention Melatonin and some 2500 in 2014.

2900 papers mention Vitamin D in 2015 alone!   The most explicitly titled of all these papers is that of   Stevens et al 2009 [11] ‘Breast cancer and circadian disruption from electric lighting in the modern world’.



Taking all the above into account, in this case I believe   my result for breast cancer and nightlight certainly   demonstrates the notion of correlation with causation. 


On the basis that night light also indicates wealth, as could GSM penetration (RF), the inter correlation between the two could of course yield up a positive correlation for breast cancer irrespective of whether or not there is actual causation by RF.  In order to be more certain, I shall look for other documented effects of RF and breast cancer and for occupational effects.


West el al (2013) [12]     report a case of a series of four young women—ages from 21 to 39—with multifocal invasive breast cancer that raises the concern of a possible association with non-ionizing radiation of electromagnetic field exposures from cellular phones. All these women patients regularly carried their Smartphone’s directly against their breasts in their brassieres for up to 10 hours a day, for several years, and developed tumours in areas of their breasts immediately underlying the phones. All patients had no family history of breast cancer, tested negative for BRCA1 and BRCA2, and had no other known breast cancer risks. Their breast imaging   showed clustering of multiple tumour foci in the breast directly under the area of phone contact. Pathology of all four cases shows striking similarity; all the tumours were hormone-positive and of low-intermediate grade, having an extensive intra-ductal component, and all the tumours had near identical morphology. These cases raise awareness to the lack of safety data of prolonged direct contact with cellular phones.


Kliukiene et al 2003 [13] studied occupational exposure to RF and 50 Hz fields in female radio operators.     The exposure was assessed in two age groups (<50, 50+) with regard to risk of breast cancer. The odds ratios in the group with the highest cumulative exposure were 1.78 (95% CI 0.59-5.41) and 2.37 (95% CI 0.88-6.36) in the younger and the older women, respectively. P-value for trend was a statistically very relevant 0.03 in both age groups. The results of the oestrogen receptor status analysis by exposure to EMF showed an increased risk of oestrogen receptor-positive breast cancer in the younger women, while the older age group had an elevated risk of oestrogen receptor-negative breast cancer. Thus, the present study contributes to the hypothesis of an association between occupational exposure to EMF and increased risk of breast cancer.   The fact that the tumours were hormone positive in younger women is exactly in line with the observation of West above.


My results show a significantly higher correlation coefficient for breast cancer incidence with the GIS parameter GSM penetration than with night lighting. Even if part of the effect is cross correlation I am convinced given the detail above that based on this result and taken with several of my other studies that      RF radiation in this case specifically GSM cell phone radiation is a significant   hazard and presents a significant risk for female breast cancer.   The occupational study on radio operators followed some women since the 1960’s.  Since mobile phone penetration in any significant numbers only began less than two decades ago it is early days to have completely firm data.  Although mobile phones emit lower power than a ship’s transmitter we are in closer bodily proximity to them and often for much longer periods. Thus field strengths could be comparable. Frequency and modulation   schemes for causing cancer, which I have also discussed elsewhere [14, 15], could be critical and this explains why some in vitro studies and some animal studies have negative results and others have positive results.  Certainly it has, very recently indeed also been shown that a.m. modulated radio waves at very specific frequencies can reverse cancer as can 48 GHz microwaves. 

3.      Cervix

The correlations for cancer of the cervix   are the exact opposite in sign to those for breast cancer.  This I ascribe to a sign that poor socio-economic conditions rather than affluence favours this cancer.    Cancer of the cervix is known to be closely associated with HPV infection.    HPV is rifer in the developing world where there is often less screening and more promiscuity.  Also HPV vaccination is now used in many developed countries which has also stabilised incidence rates.  The positive correlation with sunshine is presumably because a lot of the developing world countries are in tropical/equatorial positions with high sunshine totals.  Pisani et al (2011) [16] estimated that a massive 89% of all Cervical cancers may be due to human   papillomaviruses.




4.      Colorectal


The magnitude and signs of the correlations here are very similar to those observed for breast cancer.   Simplistically, colorectal cancer has been associated with junk food style western diets and the three   correlations express this.  However, as we saw earlier    with breast cancer Light at Night is a causative agent as well as affluence.  Similarly, lack of sunshine means lack of Vitamin D and breast cancer was thus negatively correlated with sunshine as is colorectal cancer. 


In a similar manner then, I will search for and present evidence of association of colorectal cancer with Light at Night (low melatonin levels) and low sunshine amounts.   Occupational studies regarding the association between night shift work and colorectal cancer and chronic disease in general are always the most useful here. There are indeed vast numbers of example publications but a good general example is given by Wang et al (2011) [17].


It has also been shown that melatonin, known to be heavily suppressed by light at night as found in more affluent parts of the world, is a potential chemotherapeutic agent for treatment of colon cancer, the effects of which are mediated by regulation of both cell death and senescence in cancerous cells with minimized cardio-toxicity, see Dauchy et al (2102) [18].  Thus once again as with breast cancer I suggest that correlation is indeed in this highly likely to also be causation and the latter by a double edged sword.


5.      Liver

The result for Liver Cancer is similar to that for Cervix cancer in that the sign of the correlations for Night Light (wealth index) and for sunshine are as for Cervical Cancer but the sign of the correlation for GSM (RF) is opposite but is so small as to be not statistically significant.


In any event unlike with breast cancer there is experimental evidence, albeit from an animal model (rat) that RF fields at GSM frequencies do not promote liver cancer.



These findings of  K Imaida ( ‎1998) [19]   clearly indicated that local body exposure to a 929.2-MHz field, modulated in a PDC waveform, has no significant effect on rat liver carcinogenesis under the experimental conditions employed.   Furthermore in another study local body exposure to a 1.439 GHz EMF, as in the case of a 929.2 MHz field, had no promoting effect on rat liver carcinogenesis in the present model.


This adds some weight to the very low observed correlation factor with GSM in my present study and casts doubt on the earlier suggestion that GSM penetration may be as good a wealth index indicator as Light at Night.   However, such disparity could occur with any convoluted correlation function. 


Pisani et al [16] estimated that 15.6% (1,450,000 cases) of the worldwide incidence of cancer in 1990 can be attributed to infection with either the hepatitis B and C viruses, the human papillomaviruses, EBV, human T-cell lymphotrophic virus I, HIV, the bacterium Helicobacter pylori, schistosomes, or liver flukes.


Further they indicated the disparity in cancers in developing countries suggesting that  there would be 21% fewer cases of cancer in developing countries (1,000,000 fewer cases per year) and 9% fewer cases in developed countries (375,000 fewer cases per year) if these infectious diseases were prevented.

The attributable fraction at the specific sites varies from 89% of cervix cancers attributable to the papillomaviruses to 1% of all leukemias attributable to human T-cell lymphotrophic virus.


My present work suggests that when cancer is negatively correlated with Light at Night or wealth index, significant infective agents are at play.  Perz et al (2006) [20] found that   HBV and HCV infections account for the majority of primary liver cancer (78%) throughout most of the world, highlighting the need for programs to prevent new infections and provide medical management and treatment for those already infected.


6.      Lung

The result for female lung cancer   appears strange at first sight.  This cancer appears to be positively correlated with all the factors in the investigation.  I will endeavour to explain this by extensive data mining of the existing literature.   


A  study  of  Lissoni et al (2003) [21]  was performed to assess the 5-year survival results in metastatic non-small cell lung cancer patients obtained with a chemotherapeutic regimen consisting of cisplatin and etoposide, with or without the concomitant administration of melatonin (20 mg/day orally in the evening). The study included 100 consecutive patients who were randomized to receive chemotherapy alone or chemotherapy and melatonin. Both the overall tumor regression rate and the 5-year survival results were significantly higher in patients concomitantly treated with melatonin. In particular, no patient treated with chemotherapy alone was alive after 2 years, whereas a 5-year survival was achieved in three of 49 (6%) patients treated with chemotherapy and melatonin. Moreover, chemotherapy was better tolerated in patients treated with melatonin. This study confirms, in a considerable number of patients and for a long follow-up period, the possibility to improve the efficacy of chemotherapy in terms of both survival and quality of life by a concomitant administration of melatonin. This suggests a new biochemotherapeutic strategy in the treatment of human neoplasms.


It is thus my hypothesis that melatonin may well also be protective against lung cancer in the absence    of chemotherapy or in healthy individuals, hence the observed positive correlation of this cancer with Light at night, a known suppressor of melatonin.      Another known possibility is that more women smoke in more affluent countries, see Amos (1996) [22].  There are thus major dichotomies between the distribution of male and female lung cancer worldwide.  


Cheng et al (2001) [23] has shown a very strong association of Human Papillomavirus 16/18 Infection with Lung Cancer among Non-smoking Taiwanese Women.  Only 10% of Taiwanese women smoke and the odds ratio for lung cancer is over 10 with these types of HPV infection. 


Kirk et al (2007) [24] has also shown HIV Infection Is Associated with an Increased Risk for Lung Cancer, Independent of Smoking.

Chlamydia pneumoniae infection associated with chronic bronchitis has also been associated with lung cancer in smokers and in passive smokers, see these examples but not exclusively, Kocazeybek (2003) [25] and Laurila et al (1997) [26] and Littman et al (2005) [27].


So above are considered three infections which can significantly influence lung cancer statistics.  Infections are often more prevalent in hot tropical countries, thus this probably explains the observed positive correlation with sunshine.   


Clearly, the melatonin effect is overwhelming the tendency for lung cancer to correlate with poverty   hence the unusual and perhaps unexpected positive correlation with light at night (wealth index).  


There is no suggestion in the literature that Lung Cancer is in any way correlated with RF radiation so that the positive   correlation with GSM (RF) penetration is either a new observation or because it is cross correlated with light at night.  If this is a new observation it may be suggestive that RF in this case is simply a melatonin inhibitor.  There are numerous anecdotal reports   of people either finding it difficult to sleep or getting sleep disturbances near mobile phone base stations. There are also references too numerous to mention which refer to the effect of RF and EMF on the pineal gland.  


7.      NHL

I have previously   identified NHL as an RF sensitive cancer along with breast and prostate, see [28].

In this present work, the result for NHL is observed to follow the same fundamental pattern as for breast cancer.


Drake et al (2010) [29] have shown that low serum vitamin D levels lead to poorer EFS (event free survival) in T-cell lymphoma.

This is highly consistent with the negative correlation of NHL cancer with sunlight amounts observed here.

  Occupational studies on night shift work showed that the risk of NHL is increased albeit only by a small factor 1.1, see Lahti et al (2008) [30].


This and my present result suggest a melatonin involvement with NHL. Evidence in support of this notion comes from the fact that   Todisco (2007) [31] has successfully treated a case of Low-grade Non-Hodgkin Lymphoma at Advanced Stage  with Cyclophosphamide Plus Somatostatin, Bromocriptine, Retinoids, and Melatonin.


Light at Night destroys melatonin and the observation here of   positively correlated NHL incidence with this factor is thus to be expected.



A study of US Radio Ham operators was carried out in order to assess possible effects of electromagnetic fields on human health.  The all-cause standardized mortality ratio (SMR) was 71, but a statistically significant increased mortality was seen for cancers of the other lymphatic tissues (SMR = 162), a rubric which includes multiple myeloma and non-Hodgkin's lymphomas, see Milham Jr. (1988) [32].


This is consistent with the observation   of a positive correlation of NHL incidence with GSM penetration.


The mechanism here is unclear.  It could be a similar interference of RF with melatonin levels as that proposed for Lung Cancer.


8.      Oesophagus

The result for Oesophagus cancer appears to be unique in that it appears to be the least correlated   of any of the cancers considered. Furthermore, there is a weak positive correlation against GSM (RF) and weak negative correlations against Night at Light and Sunshine. 


A negative correlation against Light at Night has been shown here be more expressly a negative correction with Wealth index and therefore indicative of a cancer associated with infection. The has been confirmed for several of the other cancers considered and so we may, perhaps, expect something similar in the case of oesophageal cancer.   I have searched for such associations with success.


For instance, Syrjänen et al (2002) [33] have shown that infection with the human papillomavirus (HPV), notably HPV type 16, has been associated with oesophageal cancer in seroepidemiological studies. Interestingly this association seems to be consistent in many different countries of the world.


A negative correlation with sunlight suggests that good vitamin D status may be protective against Oesophagus cancer.              Giovannucci et al  (2006) [34] has shown that low levels of vitamin D may be associated with increased cancer incidence and mortality in men, particularly for digestive-system cancers.  This gives us a strong pointer that with Oesophagus cancer correlation and causation in this present study do go hand in hand.


There would appear to be nothing in the present literature linking Oesophagus cancer to RF radiation. The Oesophagus is deep inside the body and the penetration depth of GSM and WIFI is probably too small to influence it.    In any event a regression factor of .36 is rather small. 


9.      Prostate Cancer



I have previously identified prostate cancer as an RF sensitive cancer, see Barnes [35].   The results of this present GIS study confirm the same.  Prostate cancer is also positively correlated with Light at Night and negatively correlated with Sunshine.  There are numerous references to the protective aspects of both vitamin D and Melatonin in prostate cancer.

For instance, Schwartz and Hulka (1990) [36]  indicate that prostate cancer is a major cause of cancer death among males, yet little is known about its aetiology. They hypothesize that Vitamin (Hormone) D deficiency may underlie the major risks for prostate cancer, including age, Black race, and northern latitudes. The factors they mention are all are associated with decreased synthesis of Vitamin D. Further they observe that mortality rates from prostate cancer in the U.S. are inversely correlated with ultraviolet radiation, the principal source of Vitamin D. This hypothesis is consistent with known antitumor properties of Vitamin D, and may suggest new avenues for research in prostate cancer.  Their work gives considerable support to my present study. Viewed in conjunction with other recent data, including those demonstrating a differentiating effect of vitamin D on human prostate cancer cells, these and my present   findings suggest that vitamin D may have an important role in the natural history of prostate cancer.


The results of  Moretti et al ( 2000) [37] indicate that melatonin, at nanomolar concentrations, exerts a direct antiproliferative action on androgen-dependent prostate cancer cells, significantly affecting their distribution throughout the cell cycle.

Again in strong support of the notion that the correlations I observe for   prostate cancer are causative.


10.  Stomach        Cancer


The result for stomach cancer can be interpreted as follows.   The negative correlation with night light index is more than likely a wealth factor and therefore indicative of cancer whose incidence is controlled primarily by infection.  The negative correlation is, however, weak and my interpretation is that it may be being partly offset because of a melatonin effect.   The strong positive correlation with sunshine is suggestive of a cancer prevalent in developing countries.


With regard to infection, Uemura,et al (2001) [38]  showed that gastric cancer develops in persons infected with H. pylori but not in uninfected persons.


Bardhan (1997) [39] has showed that Helicobacter pylori infection has a worldwide distribution, and it has distinct epidemiological features in developing countries. These are of course usually the sunnier countries of the world which is consistent with my observations.  In contrast to that in developed countries, H. pylori infection in developing countries seems to be nearly universal, beginning in early childhood. Children become infected in the first few months of life; in some communities as many as 50% of the children are infected by the age of 5 years, and up to 90% are infected by the time they reach adulthood.  This is again exactly consistent with my present observations and showing the GIS technique developed here to be incredibly powerful. 


There are no significant references to correlations of RF radiation with stomach cancer. Mobile phone penetration in Africa is an alternative to wealth index as derived from NLDI (night light development index).  NLDI is negatively correlated with a very high correlation factor approaching .9, whereas GSM is only correlated at .66.  Nevertheless, the result for gastric cancer may well be revealing something new. However,   I would expect a negative correlation rather than a positive correlation if RF were not involved at all.  Perhaps if RF is involved, it is in that it is more effective in reducing melatonin than light at night or perhaps there is another as yet undisclosed mechanism.  


The results of Zhang et al  (2013)  [40], showed that melatonin could inhibit cell proliferation, colony formation and migration efficiency, and it promoted apoptosis of SGC7901 cells. Their findings suggest that the anti-cancer effects of melatonin may be due to both inhibition of tumour cell proliferation and reduction of the metastatic potential of tumour cells.  This is consistent with my hypothesis   for the weakening of the wealth index correlation effect in favour of melatonin as described above.


Burch et al (2002) [41]    showed that there are exposure-related reductions in 6-OHMS excretion where daily cellular telephone use of >25min was more prevalent. Prolonged use of cellular telephones may lead to reduced melatonin production, and elevated 60-Hz MF exposures may potentiate the effect, combining this with the results of Zhang above yields   elegantly consistent support with the observed positive regression   for stomach cancer and mobile phone penetration in this present work.

Read More:



In this comprehensive and worldwide GIS based study of 10 common cancer types it has been possible to fully account for their individual aetiology from a comparison of the regression coefficients of their incidence versus the three potential but convoluted correlating functions considered.  


Ready known facts concerning   the aetiology of disease associated cancers particularly in the third world are supported /confirmed   and a new dimension is added to cancer aetiology of the developed world. 


Evidence is raised to suggest that   RF emissions from cell phones may be far more relevant to a larger number of cancers than previously thought and if this is so general mechanisms such as melatonin suppression and/or oxidative stress are the most likely.


Because the correlating functions are in themselves convolutions and can never be anything else then where infectious disease is the major cause of cancer it can even reverse or vastly reduce the correlation coefficient for the RF effect.


For example take cervical cancer known to have its causes rooted in 89% disease and yielding a regression factor against  GSM penetration of -.86  and Liver  cancer which has  some 15%  of its occurrence related to disease yielding R(GSM)=.14. 11% of oesophageal cancer may be due to infection R GSM =.36.    Any wealth index correlates well in a negative sense with disease.  


Both GSM and Night Light (Wealth) are approximately anti-correlated with the percentage of any cancer whose causes are rooted infection.   The effect of driving the numeric value of the regression factor farthest negative is, however, is more pronounced for a wealth index based on night light then on mobile phone penetration.    This might simply be because Night Light Index is a better correlator of wealth/poverty in the first instance and/ or alternatively/ it could be because RF (radio frequency) technologies such as GSM are even more effective at suppressing melatonin/ promoting cancer than Light at Night.



This phenomenon can be explored further by plotting directly the GSM correlation coefficients against the Light at Night regression. When this is done the result is a remarkably good linear correlation.



This is suggestive that GSM is far more active in its propensity to drive cancer than is Light at Night.

Perhaps the world needs to sit up and listen?




























25.  Kocazeybek