In modern society, Wi-Fi has become an indispensable part of our lives. However, concerns about the potential negative health impacts of Wi-Fi radiation have also arisen. In fact, most of these concerns are unnecessary.
The radiation generated by Wi-Fi and base stations does not significantly affect human health. Radiation is ubiquitous in daily life, but most of it is harmless.
The Truth About Wi-Fi Radiation
The frequency of Wi-Fi signals is relatively low, and their photon energy is far below that of ionizing radiation, which is harmful to humans. Moreover, the overall radiation power of Wi-Fi routers is at most 10 milliwatts, which is well below the limits set by national standards. Therefore, normal use of Wi-Fi does not impact human health.
The Strength of Radiation Depends on Frequency
The energy of radiation is proportional to its frequency. Commonly encountered forms of radiation in daily life, such as Wi-Fi and Bluetooth mobile signals, are classified as low-frequency non-ionizing radiation, which is safe for humans. In contrast, high-frequency ionizing radiation, such as X-rays and gamma rays, can potentially harm human health.
Be Cautious of Ionizing Radiation in Daily Life
While radiation from Wi-Fi is harmless, there are indeed some sources of ionizing radiation in life that require caution, such as high-energy ultraviolet rays, X-rays, and gamma rays. These radiations may come from medical equipment, radioactive materials, etc., and should be avoided as much as possible.
Scientific Research on Wi-Fi Radiation
Multiple studies have shown that the impact of Wi-Fi radiation on the human body is minimal. For example, a study on exposure to Wi-Fi radiation found that Wi-Fi contributes relatively little to total RF electromagnetic field exposure, usually less than 10%. Additionally, the power of Wi-Fi signals is very low, and the microwave energy absorbed by biological tissues is minimal, with the human body able to dissipate the absorbed heat through its thermal regulation system. Therefore, the impact of Wi-Fi radiation on the human body can be considered negligible.
Wi-Fi radiation does not have a negative impact on human health. We should focus more on factors that truly pose a threat to health, rather than unfounded worries about Wi-Fi radiation. By using Wi-Fi reasonably, we can enjoy the conveniences brought by technology while protecting our health.
Reviewed by
Mao Xuesong
Dingdang Fast Medicine Internet Hospital
Senior Pharmacist
References
[1] Ma Jiangrui, Wang Qi, Gao Tian, et al. Research on Wireless Data Transmission Technology in Battery Management Systems [J]. Automation and Instrumentation, 2019, 34(3): 84-87.
[2] Liu Wei, Zhang Qiang, Li Ming. Research Progress on the Impact of Wi-Fi Radiation on Human Health [J]. Chinese Journal of Medical Physics, 2022, 39(2): 123-128.
[3] Wang Xiaodong, Zhang Wei, Li Qiang. Electromagnetic Radiation and Health: Scientific Assessment of Wi-Fi Radiation [J]. Chinese Journal of Public Health, 2021, 37(5): 456-460.
[4] Zhang Hua, Li Na, Wang Li. Experimental Research on the Impact of Wi-Fi Radiation on Human Health [J]. Journal of Environmental and Health, 2020, 37(3): 234-238.
Image Source: Tuchong Creative
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