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Does the hair dryer have radiation and is it harmful to the human body?

By HAMARINN HAMARINN May 19, 2022 0 comments

Radiation, a word that can evoke terrifying associations when you hear it, is often associated with home appliances that we frequently use every day. Do hair dryers emit radiation? The answer is yes. However, there are many products on the market that claim to be "radiation-free hair dryers", claiming that they can effectively reduce electromagnetic radiation by more than 99%. Does such a radiation-free hair dryer really exist? Don't worry, let's get to know radiation first.

What is radiation?

Radiation encyclopedia defines it as: "All objects in nature, as long as the temperature is above the absolute temperature of zero (-273.15 degrees Celsius), constantly transmits heat in the form of electromagnetic waves and particles. This way of transmitting energy It's called radiation." So, as long as there is a temperature, there is radiation, and even you are emitting radiation at the moment. The World Health Organization has detailed in an article that human exposure to electromagnetic fields is not a new phenomenon. From generation and transmission in stores, household appliances, industrial equipment to telecommunications and broadcasting, at home and at work, everyone is exposed to a complex mix of weak electric and weak magnetic fields. Even in the absence of an electric field outside, we have very weak electrical currents in our bodies that result from chemical reactions that are part of normal bodily function. "The common radiation in life is mainly electromagnetic radiation. The electromagnetic waves emitted by the electrical appliances we use are called electromagnetic radiation. They are composed of electric energy and magnetic energy transferred together in space, and this energy is generated by the movement of electric charges.

Radiation can actually be regarded as a method of energy transmission. For example, heating emits heat through "infrared radiation", and microwave ovens heat food by vibrating water molecules with microwaves. So, don't think about it too much.

Is radiation harmful to human body?

The radiation generated by common household appliances such as mobile phones and hair dryers belongs to electromagnetic radiation. Such household appliances emit very little radiation and do not harm molecules in the human body. The magnitude of the magnetic field strength around various household appliances is not necessarily related to the size, complexity, power consumption, and noise generation of the equipment. Even within the same type of equipment, the strength of the magnetic field generated by different styles of electrical appliances can be very different. The table below shows typical familiarity with some common appliances in the home and workplace. It is not difficult to find that the magnetic field generated by most household appliances at a distance of 30cm is completely below the limit of 100μT of public safety standards.

When the hair dryer is at a distance of 30cm, the magnetic induction intensity is 0.01-7μT, which is far less than the national standard electromagnetic induction intensity of 100μT, so keep the hair dryer at a certain distance from the head, the radiation will be within the safe range, and will not cause damage to the human body. damage. WHO conclusion "In response to growing public concerns about the possible health effects of exposure to an increasing number and variety of sources of electromagnetic fields, the World Health Organization initiated this large multi-scientific study in 1996. Project. In the field of biological effects and medical applications of non-ionizing radiation, approximately 25,000 papers have been published over the past 30 years. Based on a recent in-depth review of the scientific literature, the World Health Organization concluded that the evidence for Not enough to confirm that exposure to low-intensity electromagnetic fields causes any health consequences"

Seeing this, let's go back and think about whether the radiation-free hair dryer is true or false? To be sure, even a non-radiation hair dryer will inevitably need to be connected to a power source to turn on the circuit to operate. When the charge moves, it will generate "electromagnetic radiation composed of electric energy and magnetic energy jointly transferred by space". Therefore, the statement of a non-radiation hair dryer is not valid in terms of the principle of electromagnetic radiation, and even if an ordinary hair dryer is in normal use, its electromagnetic intensity and magnetic induction intensity are far lower than the national standard limit, so there is no reason for it. Injury to the human body caused by the radiation of the hair dryer. However, the merchants so conspicuously label the products with "no radiation", which is actually guiding consumers to panic about radiation, so as to create a demand for purchases! Therefore, everyone must keep their eyes open, stay rational, and do not fall into unnecessary panic!

Why do you think radiation is harmful to the human body?

Over the years, there have been many problems with radiation. Does the mobile phone have radiation? Will it cause cancer? Will microwave radiation cause cancer? Will 5G radiation cause cancer? In fact, it can be found that the words "radiation" and "carcinogenic" are always the same. Why are there always doubts about whether electrical appliances have radiation, and they keep claiming to be troubled by radiation? Research suggests they may be experiencing a nocebo effect. The nocebo effect The nocebo effect, in life, is that when you feel your headaches get better after you turn off the computer, you will subconsciously link the two together, thinking that it is the radiation from the computer that causes headaches. And once you've made the assumption that "disease comes from weak radiation," that idea itself may make you sick. So, don't get too nervous about electromagnetic radiation! At present, there is no strong evidence that the use of electrical appliances within the safe range of electricity will cause adverse effects on people. Instead of worrying about whether the use of a hair dryer will cause radiation damage to the human body, it is better to pay attention to us! Let's learn how to use the hair dryer, 360-degree hair care without dead ends, and avoid hair damage.

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