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There is little doubt that x-ray technology (x-rays, CT scans, fluoroscopy) in medicine has done much excellent and is a vital diagnostic tool. Although I seriously question its effectiveness as a restorative tool (e.g. cancer radiation therapy), that will not be the focus of this post. X-rays are high-energy nuclear emissions that have the ability to pass right through tissue and leave an image on a film, called a radiograph (the movie itself is not an 'x-ray'). Less emission gets through denser tissue like bone, and more goes through soft tissue to darken the movie. This leads to the contrast, the image of our insides, seen on the films-- light locations are dense tissues, darker locations are less thick. That little lesson in radiology aside, it's what the x-ray does as it passes through the body that should be of concern to all. The high-energy x-ray particles can damage their journey through tissue. When they hit electrons they provide upon them high levels of unnatural energy. Like a blunderer, these electrons can cause anomalies consisting of removals and translocations of DNA material. The wreckage is often beyond the capability of DNA repair systems. The resulting instability of the chromosome is a precursor to cancer. Cancer is, in result, the failure of a cell to any longer know its place and behave within its normal restrictions. The control mechanism for cell habits is the hereditary product with which x-rays and their misbehaving electron kids play havoc. This sounds like free-radical activity but is various in that it is far more energetic and potentially damaging. The body has mechanisms in place to scavenge and quench totally free radicals, however x-ray energy is numerous orders in magnitude beyond those reducing the effects of capabilities. X-ray mutational damage can kill a cell or change it. If the cell is modified, that modification sticks with it because the genetic product will reproduce the mistake. If more damage to the hereditary product happens, the results are additive. Keep in mind that. Radiation damage is cumulative. It never ever goes away, it is just added to till the cell passes away or the genetic aberration results in cancer and resultant organism death. There is NO safe level of radiation. It is a threat versus advantage game as is all of medication. There are those within the medical neighborhood who argue (with considerable supporting information) that the 300 million or so x-rays taken each year amount to an extremely significant factor in cancer mortality and even atherosclerosis. The latter is a result of mutational damage in the endothelium (coronary blood vessel wall) to develop a small growth nodes from which an atherosclerotic plaque emerges. Given that x-rays always trigger damage, and the damage is associated with the number and strength of exposures, the apparent option is to have less x-rays and lower dosage x-rays. However do not get genuine comfy with that either. Current research has actually shown that repair of low dosage radiation damage to genetic material may be neglected or postponed by cellular repair mechanisms. High doses that eliminate cells, avoiding them from unchecked reproduction (cancer), may be better than the low doses. But high doses develop low dosage scatter and more prevalent potential damage. How's that for a complicated mess? The point is that even the specialists aren't sure of the degree of damage. However they all ensure the damage. We ought to take the hint. Unfortunately service technicians and radiologists do not always seriously control x-ray doses. They are interested in diagnostic images that are easy to check out, not a lot with what the x-rays are doing as they are not so carefully perambulating through your tissues. Since adverse impacts are not immediate and would be impossible to tie to the methods used, care can be basically thrown to the wind. People do not constantly behave in your best interests if there are no consequences to them for their actions. I am not saying this constantly occurs which medical personnel are not worried about your safety, just signaling you to the truth the door is wide open for careless work. It is approximated that dose decrease, beam collimation (control), rare-earth screens and filtration, carbon fiber products, more substantial lead shielding, decrease in contrast resolution and use of a pulsed system in digital radiography and a variety of constraining techniques in fluoroscopy might reduce direct exposure by several fold. That's what they can do. What you can do is not to submit to x-rays unless definitely necessary. Don't run to the emergency clinic whenever you stub your toe or feel pains. Don't do whatever physicians state without concern. Discover dental experts who will only take x-rays when it can be shown to you it is definitely needed. Deal to sign liability waivers if they desire. Inform them you have actually already had too many x-rays and you understand the threats are cumulative. The bottom line is that the vast bulk of x-rays are unneeded and physicians understand it. Any skilled professional can usually inform you what's wrong (generally nothing that will not treat itself with a little time) before they even see you, and with a little history taking and palpation (touchy-feely) they can get back at better. However, they are reluctant (not surprisingly) to offer you their knowledgeable knowledge because they are worried about their liability (rightly so), not your chromosomal damage which will disappoint up for years and would already be impossible to relate to their x-rays. So you should take control over your own body. You decide about x-rays, and any other medical intervention for that matter, by getting informed. Weigh the danger versus the benefit. And remember, any medical intervention is a risk. References: Gofman, JW, Radiation from Medical Treatments in the Pathogenesis of Cancer and Ischemic Heart Illness: Dose-Response Studies with Physicians per 100,000 Population, Committee for Nuclear Responsibility, San Francisco, CA, 1999. Gofman JW, 'What Is the Main Critiques of the 1999 Study by Gofman, after 3 Years of Peer-Review?' Committee for Nuclear Duty, San Francisco, CA, 2002. Gofman JW, 'FDA Proposes New X-Ray Regulations: Immense Health Advantages Possible-- Unless Naysayers Dominate. X-Ray-Induced Diseases, Hormesis, and Medical Ethics,' Testimony sent to the FDA, March 31, 2003.