To do this kind of thing to wear one day is equal to 117 chest X-ray? And even cause cancer? Many people still want to buy it

　　This article Expert: Yang Chao, MD, Rocket Forces Medical Center physician specialties
　　article Reviewer: Chenhai Xu, MD regeneration, PLA General Hospital, Second Medical Center, associate professor
　　recently, has stirred up a "power stone" Health wind .
　　These looked at the humble "small stone", not only the price is not cheap, the business was also cheered to the rafters. Was given the so-called high-tech "power stone", is said to be a cure-all, a lot of people blindly chase from the beginning.
　　Today to tell you, do not be fooled! There are real cases of their own experiences: the
　　other day, when an airport in Dalian Customs passenger clearance, a "power stone" triggered a radiation alarm equipment.
　　After testing, While this "energy stone" <strong> radiation is 112.4Sv / hr, exceeding 100 times, one day wear radiation dose equivalent to 117 chest X-ray shot. </ strong> The passengers also said that since her daughter wearing the "power stone" for three months, often for no reason nosebleeds.
　　By so much praise marvelous "Power Stone" Why containing radiation? What harm would be caused by the human body? This is wearing, or the throwing of it?
　　<strong> First, what is the energy of stone? Why containing radiation? </ strong>
　　Some businesses claim that energy stone can cure, security and peace, in fact, is a substance containing radionuclides, also known as <strong> unstable nuclides. </ strong>
　　unstable nuclei, spontaneously emit ionizing radiation (e.g., α-rays, beta] rays, gamma] rays, etc.), formed by decay of stable nuclides.
　　<strong> Second, energy stone can cure? </ strong>
　　<strong> there is no scientific proof to get the exact, there is no way to quantify the effect. </ strong>
　　Some unsolicited energy stone, people at the time of purchase can not determine whether its radiation is not recommended consumers purchase their own. This purchase has healing effect of "Power Stone" there may be a risk, I hope you remain rational, believe in science.
　　<strong> Third, unsolicited "Power Stone" will not cause cancer? </ strong>
　　Common radionuclides with a uranium-238, thorium-232, Ra-226 and the like.
　　News said the rocket worn stone energy mainly containing 232Th (thorium-232), and 232U (uranium -232) material, and are radionuclides and radiation generated by decay.
　　Having a half-life of these radioactive isotopes, each half-decay will produce ionizing radiation, can be <strong> damaging effects </ strong> on human cells. Which is a kind of uranium -232 isotope of uranium, which has a half-life of 68 years 10 months and 24 days.
　　If long-term wear, the radiation energy will cause damage to human health, <strong> long-term exposure will bring some harm to the human body. </ strong>
　　If you accept the radiation dose is large, there will be <strong> nausea, vomiting </ strong> and other adverse reactions, the more serious will be <strong> cause cancer or other serious diseases </ strong>.
　　<strong> Fourth, there is a common everyday radiation What? </ strong>
　　<strong> radiation is everywhere. </ strong>
　　human being to ionizing radiation comprises <strong> natural radiation and artificial radiation. </ strong>
　　<strong> natural radiation: </ strong>
　　<strong> artificial radiation: </ strong>
　　NOTE: In general, a radiation dose CT examination is far below the threshold exact hazards, <strong> do not have to worry about excessive . </ strong> If <strong> routine physical examination, an interval of one to two years to do a second. </ Strong> If the condition of patients suffering from the disease, check under the guidance of a doctor.
　　<strong> Five daily life which radiation is harmful? What is safe? </ strong>
　　by the effects of radiation can be divided into two categories: ionizing radiation and non-ionizing radiation.
　　<strong> ionizing radiation - there is a certain risk of radiation, but also to distinguish between scientific </ strong>
　　is generally higher than the radiation energy 10 electron volts (eV) radiation referred to as "ionizing radiation." Ionizing radiation is the most common are: α-rays, β-rays and γ-rays.
　　<strong> α radiation: </ strong>
　　<strong> beta] radiation: </ strong>
　　<strong> gamma] ray </ strong>:
　　<strong> Non-ionizing radiation - radiation within the safe range </ strong>
　　non-ionizing radiation refers to a low-energy electromagnetic waves, weak energy, it is generally not directly lead to mutations and cancer.
　　However, light radiation for a long time can also cause visual fatigue, and even vision loss. For good health, it is recommended to avoid prolonged exposure to non-ionizing radiation.
　　Daily lives, we are exposed most is <strong> radio waves (such as home Wi-Fi), visible light (including the light emitted by mobile computer screen), infrared, ultraviolet and microwave </ strong> and so on.
　　These radiation are within safe limits, nor will our health adversely affected.