Radiographs and CT scans ( CT Scan ), is very helpful exam. Unfortunately, each year worldwide, is cause for thousands of cancers causing death. According to data from recent surveys, many radiographs are in fact not necessary. In some countries up to 33% of chest radiographs that are not needed and taking an x-ray for diagnostic purposes associated with a small increased risk of developing various forms of cancer, according to a British study, published in the journal .
The Lancet .Ionizing radiation is acceptable to the patients undergoing computerized tomography (13 millisieverts ), is 500 times greater than that obtained when making a normal x-ray and 100 times greater than that when they receive mammography. The radiation received by a patient undergoing whole-body CT scan is equivalent to the dose received by the residents of Hiroshima and Nagasaki were 2.4 miles from where it had exploded the atomic bombs that were dropped on Japan during 2 the World War II!Young people are even more vulnerable to the adverse effects of radiation they receive when undergoing X-ray or CT scan. Because they have a larger number of cells n ollaplasiazontai the DNA has a greater risk of suffering various defects that may lead to cancer. According to a landmark study conducted in 1981, about 0.5% of deaths from cancer due to radiation-treated patients for medical diagnostic purposes.Axial brain in children affect intelligenceThe performance of CT brain in infants may affect the mental level of children in later life, say Swedish scientists in their study published in the British Medical the Journal .
.Researchers at the Karolinska Institute in Stockholm looked at 3,094 men who had undergone radiotherapy for hemangioma before the age of 18 months between 1930 and 1959 and checked their school performance and results of cognitive tests during their military service at the age of 18 to 19 years. It was found that the higher dose of radiation had taken was more likely to have learning difficulties, cognitive decline and abandon their schools.How much danger of microwave ovens?And exposure to high levels of microwave radiation can cause sunburn and cataracts.However, leaks from a microwave can be observed in cases where the microwave oven door is damaged or not properly closed. In most cases, the leaks observed in microwaves are not a significant health risk.Useful tips when dangerous radiationUse an external mobile antenna, often changing the ear which hearAvoid standing for long periods near microwaves and keep the necessary distance from the TV screen and the computer.If you notice that the door of the microwave oven does not close properly or has some corrosion, it should be repaired or replaced.Remove from your bed any electrical or electronic device (from electric blankets up alarm).Home or school should be located more than 200 meters from pillars transport high voltage electricity.The panel electrical installation should be located at the most remote point of the house.
The classic radiator is electromagnetically'' cleaner'' heating mode, after the fireplace and woodstove.If you really need mobile, use as little as possible.Avoid electric blankets, heated water beds, electric shaving machine, electric toothbrush.Replace the electric alarm clock of 220 Volts and 50 Hz with an electronic battery.Keep bedrooms free from electrical and electronic devices.Place just over half a meter to the computer screen and make sure not one is on the back of, less than one meter.Reduce the use of a vacuum cleaner or hair dryer.

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