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The Military United States

Pentagon Study Reveals Higher Cancer Rates For Military Pilots, Ground Crews (axios.com) 62

A new study from the Department of Defense revealed that military pilots and ground crews experienced higher rates of certain cancers compared to the general population. Axios: Earlier military studies had not indicated that aviators were at higher risk, though the data has long been sought by those who raised alarm about the rates of cancer they observed among air and ground crew members, according to AP, which first reported the study. The study examined cancer rates among nearly 900,000 air and ground crew from 1992 to 2017. Overall -- compared to the general population after adjusting for age, sex and race -- aircrews saw a 24% higher rate of cancer of all types while ground crews saw a 3% higher rate of cancer of all types. However, both air and ground crews saw "lower or similar" cancer mortality rates for all cancer types compared to the general population.
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Pentagon Study Reveals Higher Cancer Rates For Military Pilots, Ground Crews

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  • by HotNeedleOfInquiry ( 598897 ) on Monday March 20, 2023 @09:09AM (#63384653)
    It's been known for years that flying high altitude polar routes expose pilots to twice the cosmic ray radiation compared to non-pilots. As to the ground crew, lots of UV exposure in their outdoor work.
    • by burtosis ( 1124179 ) on Monday March 20, 2023 @09:17AM (#63384679)
      Doctor: You have been exposed to high doses of radiation
      Billy: Does that mean I’ve got superpowers!?
      Doctor: No Billy, you have cancer.

      Robot chicken was a great show.
    • by DesScorp ( 410532 ) on Monday March 20, 2023 @09:26AM (#63384703) Journal

      It's been known for years that flying high altitude polar routes expose pilots to twice the cosmic ray radiation compared to non-pilots. As to the ground crew, lots of UV exposure in their outdoor work.

      I doubt UV has as much to do with it as all of the electronics that modern military aircraft are stuffed with, including big honkin' radars and various radio transmitters, all operating at high power.

      • My Dad was a EE and spent his career designing ECMs and radars for military aircraft. He always said, "Don't worry about the EM radiation - it drops at the square of the distance and you're fine."

        Then whenever he turned on the microwave oven, he'd leave the kitchen until it was finished.

        • by e3m4n ( 947977 )
          inverse square law is useful for point source radiation equations, but when the source is the sun, its gonna take a really long distance.
      • UV should have about infinity times more to do with it than the non-ionizing radiation from a military radar or anything other aircraft electronics. Even standing near radium paint on the aircraft and gauges would have more to do with it.

        I wouldn't recommend it, but radar techs, especially in the dumb old days, would sometimes warm themselves up in the winter by standing in the beam of the radar systems they were working on...they were fine and went on to have kids who were fine.

        • I wouldn't recommend it, but radar techs, especially in the dumb old days, would sometimes warm themselves up in the winter by standing in the beam of the radar systems they were working on...they were fine and went on to have kids who were fine.

          That urban legend was around in the 50s when radars were new and mysterious. By the 80s strict radiation guidelines were in place with orange cones placed at appropriate distances and locations anytime a transmitter was tested on the ground. More often, the use of dummy loads or RF enclosures were used to block any transmitted radiation when on the ground.

          Powerful transmitters like HF radios were limited to in-air use only and some transmitters had disabling signals applied anytime there was a weight-on-w

      • by e3m4n ( 947977 )
        not just UV but background radiation. The average background radiation in Denver is equal to a couple chest x-rays over that of sea level. You're picking up a lot of solar winds that the ionosphere takes care of. The higher the altitude, the less atmosphere there is between you and scattering and dissipation.
        • not just UV but background radiation. The average background radiation in Denver is equal to a couple chest x-rays over that of sea level...

          If this is also accurate, then perhaps the cancer rates and statistics in the city of Denver (and many other high-altitude cities) would reflect that? Or perhaps we would find a couple more chest x-rays of exposure a year isn't really enough to create the statistics we would expect? Does the overall healthier lifestyle of Colorado citizens also play a part? Compare and contrast to an unhealthy high-altitude area perhaps?

          Not doubting your claim, just more curious.

          • Denver has a few health concerns the rest of us do not. Higher altitude means thinner air. Special modifications to things like boiling water and boiling times cooking boxed foods. Thinner air also causes you to increase your hemoglobin levels (red blood cells) over time to offset the thinner air. This in itself puts you at higher risk of strokes and other clotting issues. However they have a lower overall cancer rate. This might be due to a lower rate of cigarette smoking. I would imagine high altitude smo
      • by Thomsen ( 30383 )

        Ultraviolet radiation and skin cancer

        https://pubmed.ncbi.nlm.nih.go... [nih.gov]

      • I would think that breathing in jet fuel fumes would be more carcinogenic?
        • There are three petroleum products with roughly the same composition: Diesel, Kerosene, and JP-8 (Jet Fuel). Most ground crews don't get anywhere near the fuel due to safety issues. As to exhaust fumes, most drivers stuck in traffic daily probably have a higher exposure than the average ground crew and doesn't really factor in the air crew members. https://en.wikipedia.org/wiki/... [wikipedia.org]

          If breathing petroleum fumes were a huge cancer risk, gas pump attendants in Oregon and New Jersey where they pump all drive

      • by Cyberax ( 705495 )

        I doubt UV has as much to do with it as all of the electronics that modern military aircraft are stuffed with, including big honkin' radars and various radio transmitters, all operating at high power.

        Even very high microwave radiation is not associated with cancer. What looks more realistic is exposure to products of avgas combustion. Planes don't have catalytic convertors.

      • my neighbor worked for unisys, worked at radar sites, died of cancer...widow told me many coworkers also got cancer...jussayin

        • by j-beda ( 85386 )

          my neighbor worked for unisys, worked at radar sites, died of cancer...widow told me many coworkers also got cancer...jussayin

          Cancer is one of the leading causes of death in older populations, so without knowing how that population compares to similar populations who do not work at radar sites - it is difficult to know if there is any correlation with just this type of evidence.

          All the big studies have shown that increases to cancer risk due to non-ionizing EM radiation is small, and typically consistent with zero. The larger the studies, the smaller the association. This is in line with our understanding of the physics and chemis

    • Came here to say this, but also point out that the ground crew are exposed to lots of toxic and carcinogenic chemicals and materials: Apart from the obvious jet fuel & combustion byproducts, there's aircraft brake dust (do you think that asbestos was phased out of those as in automotive brake pads?), aircraft greases that will literally peel your skin off (heard a story about that one involving a guy who, unlike a good chemist, didn't wash his hands both *before* and after going to the bathroom). and fighter jet emergency APUs, engine start systems, missiles, and JATO units that run on all kinds of exotic rocket fuels.

      • by necro81 ( 917438 )
        All good points, to which I'll add: firefighting materials. Firefighting foam is loaded with PFAS "forever chemicals" that hang out in the environment, and are known or suspected carcinogens (among other health concerns). The EPA just last week started a process to put stringent regulations for PFAS levels in drinking water [google.com]. In short: there is no known safe minimum dose.
      • Yep, also inhaled raw jet fuel or fuel vapors; and exposure to hydraulic fluid, engine oil, caustic cleaners, solvents, adhesives, ozone created by brushed motors in tools and equipment...
        • Yep you know jp-5 and DFM is allowed to have lead? Spent so much time getting blasted in the face with exhaust right over my work areas. I would keep a rag in my pocket and wipe the soot and snot off my face every 5 or 10 minutes. Just once being enough to make it resemble the shroud of turin.

    • by AmiMoJo ( 196126 )

      Wouldn't they just put some kind of UV filter coating on the cockpit windows?

    • by Luckyo ( 1726890 )

      No need for polar routes. Just flying in general, even civil massively increases gamma radiation from space, far more than twice than normal people. Typical comparison that organisations like CDC tend to use in material aimed at general public is not to normal daily exposure (because that would be very alarming to someone who doesn't know how to interpret numbers) but to things that are considered normal but quite dangerous is continuously exposed to such as chest x-ray scans. You get about 1/10th of a ches

    • Yes. Extra radiation exposure would be a risk . Another risk air crews and ground crews share in common is exposure to military jet fuel JP-8 , and its additives. The fuel itself is kerosene-like but is known to cause some other health problems. The carcinogenic effects of various additives to the fuel may still be understudied

      • But you'd think that the ground crews would be more exposed to jet fuel (as would the rest of the military, isn't JP-8 used for literally everything nowadays?)

    • So UV exposure from working outdoors, and not all the hazardous chemicals they're exposed to all day?

  • In a prior lifetime I was a military helicopter ground and (occasional) aircrew.... Plenty of exposure to jet fuel and exhaust fumes, lubricants, solvents which probably doesn't explain all increased diagnoses of cancer. Rather than comparing to the general population they should have compared to civilian ground and aircrew. But the good news is that mortality is not increased, but slightly less than the general population.
    • But the good news is that mortality is not increased

      Sounds like selection bias because they only take healthy adults that are statistically more likely to exercise more throughout their lives partly because it’s a literal job requirement. Its like smoking and running marathons, I’m not sure it really cancels out.

      • by Luckyo ( 1726890 )

        They take healthy young people, which is overwhelming majority of population (or at least used to be). Conditions you develop with time, you can usually still fly and do maintenance. I follow one former USAF and USN fighter pilot (yes, both with congressional waver to switch between the two, a bit of a unicorn), and he openly speaks that he had a health waver for a kidney disease, and that a lot of even fighter pilots often need those as they age, not to even speak of people flying less physically stressful

  • "aircrews saw a 24% higher rate of cancer of all types while ground crews saw a 3% higher rate of cancer of all types. However, both air and ground crews saw "lower or similar" cancer mortality rates for all cancer types compared to the general population."

    The latter statement only validates that A) cancer treatments are basically the same if you're human, and B) although military personnel in certain jobs face a 24% higher rate, the survival rate is considerably better due to better physical fitness and maintaining health due to military standards.

    The latter statement still smacks of dismissing the obvious issue. Don't do that. This is clearly a serious problem to address regardless of survival rates. You don't shove 24% under the rug of mil-spec outliers

    • They probably also get VA healthcare for life
      • They probably also get VA healthcare for life

        Given that military service was likely what caused the medical issues, I'd say VA healthcare for life is the least our Government could do for the men and women sworn to protect its very existence, defending it with their lives when necessary, and especially considering what's being gifted to those crossing our borders in search of that same security.

        • Oh they absolutely deserve healthcare. My point was it seems likely to me that it would skew the study. In terms of outcomes for example or in terms of detection.

          The problem might even be the VA ! CAT scans, X rays etc.

      • If you've ever experienced VA health"care", that's a bug, not a feature.
    • You are right on the point. The study seems to clearly indicate how much depends on the lifestyle, if to such a large increase in the diagnoses corresponds such a limited increase in mortality. They should do a study on which precise aspects might account for this "least evil" benefit. Keeping in physical shape is an obvious, but those guys are also used to using their head and living in a disciplined fashion, something along such lines...
    • by necro81 ( 917438 )

      The latter statement still smacks of dismissing the obvious issue.

      I don't see it as dismissing the issue. I see it as making two distinct points that happen to have overlap: * hazardous jobs are hazardous, in ways that can take years/decades to show, AND * universal healthcare (which the military has and the general population does not) leads to lower mortality.

      • The latter statement still smacks of dismissing the obvious issue.

        I don't see it as dismissing the issue. I see it as making two distinct points that happen to have overlap: * hazardous jobs are hazardous, in ways that can take years/decades to show, AND * universal healthcare (which the military has and the general population does not) leads to lower mortality.

        Sorry, but these statistics hardly prove your latter statement. Military fitness standards speak more towards that than anything, which is what doctors and dieticians have been saying for literally decades to a lazy obese society suffering greatly as a direct result.

        Besides, most people diagnosed with cancer are of an age that they also use the "universal healthcare" called Medicare.

    • If the cause is exposure to radiation due to spending time at high altitudes, then that would cause cancers, like thyroid cancer, that tend have low mortality rates.

  • I was in the USMC as part of a ground crew for Grumman A6E aircraft for 5 of the 6 years I was enlisted. We used a lot of chemicals, mostly solvents and sealers, in our daily work. We were also deployed on the USS Kennedy from time to time which wasn't the cleanest of environments as well. Working many hours on the flight line exposed to the sun, especially during Desert Shield/Storm in the desert, probably didn't help either.
    • by Anonymous Coward

      Thank you for your service.

  • "aircrews saw a 24% higher rate of cancer of all types while ground crews saw a 3% higher rate of cancer of all types"

    Is the incidence of cancer different from what is experienced by people working in the commercial airline industry? If so it will point to some kind of carcinogenic substances or workplace practices that are particular to the military.

  • I read the article and found the Government study here: https://www.documentcloud.org/... [documentcloud.org] . I know, I know, I should not have done that. But the numbers are instructive. Per the study summary:

    "“This study found that compared to the U.S. population after adjusting for age, sex, and race, aircrew had an 87 percent higher rate of melanoma, 39 percent higher rate of thyroid cancer, 16 percent higher rate of prostate cancer, and a 24 percent higher rate of cancer for all sites. Ground crew members had hi

    • John Clark's book: Ignition!: An Informal History of Liquid Rocket Propellants tells some stories about what has gone in to missile propellants over the years, tales of people turning blue from exposure to the chemicals etc. It can't be healthy to be around
    • I read the article and found the Government study here: https://www.documentcloud.org/... [documentcloud.org] . I know, I know, I should not have done that. But the numbers are instructive. Per the study summary:

      "“This study found that compared to the U.S. population after adjusting for age, sex, and race, aircrew had an 87 percent higher rate of melanoma, 39 percent higher rate of thyroid cancer, 16 percent higher rate of prostate cancer, and a 24 percent higher rate of cancer for all sites. Ground crew members had higher incidence of cancers of brain and nervous system (by 19 percent), thyroid (by 15 percent), melanoma (by 9 percent), kidney and renal pelvis (by 9 percent), and of all sites (by 3 percent). However, aircrew and ground crew both had lower or similar cancer mortality rates for all cancer types when compared to the U.S. population. This concludes the Phase 1 epidemiologic study and triggers aPhase2 study to identify risk factors for the cancer diagnoses identified in the Phase 1 study. Elements to be included in the Phase 2 study are outlined in section 750(a)(3)(c)of the NDAA for FY 2021."

      So from the numbers, it appears that much of the aircrew incidences are related to sunlight and/or cosmic ray exposure and the ground crews get hit by air pollution. At least that's my uninformed analysis of the data. Someone in the medical field might be able to shed better light on the numbers.

      Well I'm guessing radiation more than sunlight for the pilots (they're pretty well covered in there).

      But I think there's a second part of this where military folks, particularly pilots, are subjected to medical examination a lot more frequently and extensively than the general population.

      That's not to say there isn't a real increase, but the similar mortality rates suggest that increased detection is partly to play.

      Note, an important factor to consider is that early detection is very important to cancer sur

    • Judging by the mortality rates it appears they are more conscious of their health and get better medical care than the general population.

  • I am an aerospace engineer and I got cancer too (midway with treatment). I would not simply attribute it to excessive poisons or ionizing rays in my work environment, but it sure could be.
  • Ground crews are exposed to tons of air polluted by planes burning kerosene.

    Also, need to know other factors: do these people smoke more? do they drink more alcohol or smoke more weed? Do they eat more unhealthful food?

  • When I was in I was eventually in charge of dozens of people. I was often given work that was dangerous and the available PPE was inadequate.

    Work doesn’t stop because the CO spent your safety budget on wardroom decorations or because they simply forgot to order a realistic supply of filters and rubber gloves. It should. But it’s the military.

    It was my policy to do such work myself because it was immoral to order someone to poison themselves over inconsequential work and it was almost always i

  • More cancers than in general population, but same mortality

    A possible explanation could be that by screening a lot, we find and treat cancers that would not have grow much.

    Another explanation is that there are indeed more serious cancers, but thank to intensive screening, they are discovered and cured early, at a time where remission is more likely.

  • The elevated risk of cancer in people spending time at high altitudes has long been known. People who spend time above a significant part of the Earth's atmosphere, which provides a degree of protection from things like cosmic rays, are obviously going to suffer from the reduced protection. Remember: the air at lower altitudes is denser (each square inch/cm is more compressed by the weight of the column of air above it) and more protective, so the loss of protection with increased altitude is worse than lin

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