Retomando el hilo del argumento que comentábamos en la introducción, recordamos que es cierto que los móviles emiten radiación. Pero, como decíamos, no se trata de una radiación perjudicial para la salud.
Radiation is the propagation of energy in the form of electromagnetic waves or subatomic particles.There are many types of radiation: electromagnetic, thermal, solar, nuclear, cosmic, etc.
The reality is that we are constantly subject to radiation, most from nature.The sun generates solar radiation, storms generate electric charge that, when interacting with the Earth's magnetic field, produce electromagnetic radiation.
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All living beings generate electromagnetic radiation through the heat they give off.Our body is formed by atoms that in turn have charged particles, such as electrons.The molecules are linked by atoms that are in continuous vibration, generating magnetic fields.This interaction between electricity and magnetism generates electromagnetic fields, which we can feel: it is the temperature of our body.That is why all living beings have body temperature.In fact, modern thermometers measure the temperature simply by bringing them closer to the body, measuring the electromagnetic radiation we generate.
This data will surprise you: a person can generate much more electromagnetic radiation than a Wi -Fi network.There is a mathematical formula to calculate the generated radiation.
Radiation itself does not have to be harmful, it depends on the type of radiation and its power.
In recent years, one of the questions that has been repeated most among users is whether mobile phones cause cancer, since it is one of the myths of the most controversial mobiles.
Defenders of this statement indicate that placing a source of electromagnetic radiation so close to the brain can cause brain cancer.But the reality is that the thousands of studies that have been carried out, many of them by associations against cancer, and some with thousands of patients studied for years, have not found any evidence that relates mobile phones with brain cancer.
We have been using mobiles since the 90s, and in these 35 years the statistics of brain cancer have not increased.
The key is that mobile radiation is non -ionizing.This means that it is not able to start the electrons of the matter where it affects.In other words, it cannot alter cell DNA, and therefore cannot generate cancer.Other radiation, such as X -rays, are ionizing, and those are dangerous if it is abused.
The World Health Organization launched in 1996 the International CEM project, dedicated to studying this topic.For 30 years, more than 25,000 studies of low intensity electromagnetic fields (such as mobile phones) have been carried out and the project concludes that there is no evidence that low -intensity electromagnetic radiation produces negative effects on people: "Despite the abundant research carried out, to date there is no evidence that allows us to conclude that exposure to low intensity electromagnetic fields is detrimental to people's health. "
Science, today, is clear about it: with normal use, mobiles do not cause cancer, or other problems.
The same radiation concept generated by the mobile also applies to the Wi -Fi, since Wi -Fi routers emit the same type of electromagnetic radiation as mobile phones.
Wifi radiation is much lower than that of mobile phones, and depends on the distance.As we move away from the radiation source, its effect decreases.While the mobile is put in the ear, the wifi is usually used half a meter on the mobile, or several meters if it is the router or the computer.
As we have commented on the previous point, while the electromagnetic radiation of a mobile has a power of 0.125W that of a WiFi network is only 0.05W.
Its incidence is much lower, and the World Health Organization has made it clear that there is no evidence that WiFi networks generate health problems.And much less, cancer.
Another myth of mobile radiation has to do with pregnant women, whose fetus could supposedly be affected by electromagnetic radiation of Wi -Fi networks, mobile, etc.
It is a myth that has sometimes been interested in commercial reasons.The Chinese company Qihoo, for example, led to selling routers for pregnant women, which created a weaker Wi -Fi network (and therefore slower and less reach), with 70% less electromagnetic radiation.
But as we have repeated throughout the report, this radiation is non -ionizing, so it cannot affect cells, DNA or tissues, be it a person or a fetus.
The World Health Organization itself has carried out specific studies with pregnant women, and have not detected health danger: "Current evidence shows that exposure to a normal level of electromagnetic radiation does not increase the risk of abortions, malformations, weight lossIn fetuses or condition of congenital diseases. Basque in the deepest and most recent studies of the scientific community, the existence of health danger can not be confirmed during exposure to low -level electromagnetic fields. "
We have already seen that the radiation of a mobile is not harmful to people with normal use, according to WHO.Still there are people who feel calmer with a low radiation mobile.
Mobile emit different radiation according to the brand and model due to aspects such as the place where the antenna is placed, or if it is covered by another mobile component.
In the first place, it must be said that there are maximum radiation that are considered safe.By prevention, government protection agencies, such as FCC or CENENC in Europe, establish maximum radiation limits that mobiles can emit.All mobile phones that go on sale do not exceed this maximum radiation, that is, they are within the legal and safe margins.
The radiation of a mobile is measured with the SAR ratio (specific absorption ratio), which measures energy, measured in kilogram, which absorbs a body when exposed to electromagnetic radiation.
The German office for radiation protection performs tests to all mobile phones that are put on sale, and has recently published the list of mobile phones that emit more radiation, until August 2019.
The list is headed by two Xiaomi smartphones, the Xiaomi Mi A1 and the Xiaomi Mi Max 3. The first reaches a SAR of 1.75.Of the first 16 on the list, 6 of them are from Xiaomi.This is because its architecture cushions less the emitted radiation, depending on the placement of the chips.There are also Sony, Google and Apple mobiles.
Samsung and Nokia mobiles practically take all the list of mobiles that emit less radiation.Although the winner is the ZTE Axon Elite, with only 0.17.That is 10 times less than the Xiaomi Mi A1.
These data, which are published every year, have given rise to a false myth: mobiles with more SAR, emit more radiation.And it really is not so.To understand it you have to know how the SAR of a mobile is calculated.
SAR is the maximum radiation that a smartphone emits in the most extremely possible measure in different hands and head positions.
Suppose a mobile A is twice as much as Sar than mobile B.
Therefore, it is important to understand the concept.SAR measures maximum radiation in extreme conditions and a specific position of the hand and head, so a mobile with greater SAR does not mean that it emits more radiation than another with less sar, during everyday use.
You use headphones or not when you speak on the mobile, science has already made it clear that no study has been able to demonstrate that mobile emissions are harmful.
That said, from a technical point of view, radiation decreases with distance, depending on the scope of the signal.Therefore, if you use headphones and place the mobile farther from the head, the brain will effectively receive less radiation.
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Is it mandatory to do it?According to science, no.
It is true that there are people who claim to suffer headaches, anxiety, depressions, nausea, sleep alterations, fatigue or loss of sexual desire when they are exposed to Wi -Fi networks or use the mobile.
The World Health Organization has studied these cases, and in the International Project CEM report indicates that: "To date, scientific evidence does not support the existence of a relationship between these symptoms and exposure to electromagnetic fields. At least some someof these health problems may be due to noise or other environmental factors, or anxiety related to the presence of new technologies. "
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There is a paragraph dedicated to hypersensitive people to electric or magnetic fields: "There is little scientific evidence that supports the possible existence of hypersensitivity cases to electromagnetic fields. Recent studies conducted in Scandinavian countries have verified that, in properly controlled conditions of exposure of exposureTo electromagnetic fields, no consistent reaction guidelines are observed in the exposed subjects. There is also no accepted biological mechanism that explains hypersensitivity. Research in this field is difficult because, in addition to the direct effects of the electromagnetic fields themselves, many can intervene manyOther subjective responses. More studies on this issue are ongoing. "
In summary, so far, and according to all studies, science concludes that this hypersensitivity has not been demonstrated associated with electromagnetic radiation, and may be due to many other causes, including suggestion.
It is true that more and more medical studies recommend not using the mobile half an hour before going to sleep, and not abusing the screen.
This recommendation has nothing to do with mobile radiation, but with the blue light that emits the screen.Although we see the light of white or yellow, in reality the light is formed by photons of different colors, which when mixed we see as a white color.But in reality most of the light is formed by blue photons.
This blue light is present in the natural sunlight even if we do not see it, but it is much more abundant in the LEDs that emit the screens.
Several studies have shown that prolonged exposure to blue light can cause tired view, dry eyes, and sleep disorders.That is why doctors recommend not using the mobile when we are going to sleep, and make 15 -minute breaks every hour, when we use a screen.
Many mobile monitors and screens are already being manufactured with a smaller amount of blue LED.
The maximum studies and radiation of the devices are carried out under the condition of a normal use of the mobile.That is, a reasonable number of calls per day and a few hours of use of the WiFi or the 4G connection.
Like everything in life, abuse is never recommended, and its effects are unpredictable.If you spend 15 hours a day 7 days a week talking on the mobile, it is most likely to produce a detrimental effect, just like you drink 10 liters of water.
We must use the mobile in a responsible way, with a use that we consider normal, and everyone knows what it is.In those cases, science ensures that mobile or Wi -Fi use is completely safe and does not harm health.
We have seen how electromagnetic radiation of low non -ionizing intensity, such as mobile phones and appliances is not harmful to normal use because it is of low intensity, and because it cannot break the chemical bonds of DNA, which is the cause of cancer.
But that does not mean that all the radiation is harmless.Electromagnetic radiation harmful to health are precisely the ionizing, which can alter the DNA of our body, and cause cancer and other problems.
Example of ionizing radiation are X -rays, gamma rays and ultraviolet rays.
We receive constant ultraviolet radiation through the sun but the atmosphere protects us, so there is life on Earth.And that is why it is so important to keep the Earth's ozone layer.
The human body is prepared to withstand some ionizing radiation from time to time, that's why we can make radiographs with X -rays or sunbathe in summer, but with caution.Radiographs must be spaced in time and sun must be taken with protective cream and for limited time.
The bad news is that your anti -denial underpants have no use.Or in another way, they do not protect you more than traditional underpants, because there is nothing to protect with respect to a mobile, or Wi -Fi networks.
The good news is that they can continue to fulfill their conventional work of underwear, if the fabric is of good quality ...
