在写手机辐射的时候，我们说最好使用有线或蓝牙(Bluetooth)设备，这样你就不会受到手机辐射的影响。问题出现了，既然蓝牙(Bluetooth)通信也是无线电通信的一种形式，难道不应该有一种叫做蓝牙(Bluetooth)辐射的东西。蓝牙(Bluetooth)辐射对人类也有害吗？是不是和手机一样糟糕？
蓝牙辐射(Bluetooth Radiation)有害还是安全
当谈到手机辐射时，我们指的是从您的手机发出的高频无线电波，在您的声音真正到达您打电话的人之前，它必须穿过迷宫般的手机信号塔。
在蓝牙(Bluetooth)辐射的情况下，波从您的一个设备开始，该设备直接连接到另一个蓝牙(Bluetooth)设备。蓝牙(Bluetooth)的好处是它的范围（距离）很小。这些波在极高频率下工作，无法穿透混凝土墙。如果是蓝牙(Bluetooth)无线电波，通常是几米。因此，蓝牙(Bluetooth)辐射的危险（如果有的话）被减少到一个小区域。
这与手机相反。当您拨打电话时，无线电频率应该足够强大，可以到达手机信号塔。使用手机，您需要一个或多个手机信号塔来通过手机互联网(Internet)拨打电话或发送数据。因此，与(Thus)蓝牙(Bluetooth)相比，手机辐射风险更大。要了解无线电波如何影响人类，请阅读我们关于手机辐射危险的(dangers of cellphone radiation)文章。
关于不同范围的无线电波确定健康问题的潜力已经进行了很多研究。使用中的手机很危险。迄今为止，关于蓝牙辐射的研究给出了不同的结果。(Bluetooth)但是如果你应用逻辑，蓝牙(Bluetooth)不会有太大的危害，因为它在小范围内工作，不需要强大的无线电天线，从而减少辐射。食品(Food)和药物管理局(Drugs Administration)( FDA )进行的研究将蓝牙(Bluetooth)标记为无危险。
“The majority of studies published have failed to show an association between exposure to radiofrequency from a cell phone and health problems”, says FDA on Bluetooth radiation
“Headsets can substantially reduce exposure since the phone is held away from the head in the user’s hand or in approved body-worn accessories.”, – FDA
同样的研究表明，蓝牙(Bluetooth)辐射效应比直接对着手机通话要小一千倍。在前一种情况下（您使用蓝牙(Bluetooth)耳机），您的手机不会直接接触任何身体部位。当然，有线耳机会比蓝牙(Bluetooth)数据传输更安全，但我不推荐它们，因为它们会阻挡驾驶和做类似事情时所需的外部声音。
蓝牙辐射：总结(Bluetooth Radiation: Summary)
没有证据表明蓝牙(Bluetooth)辐射会对人类造成危险。大多数疾病控制中心将蓝牙标记(Disease Control Centres mark Bluetooth)为安全。主要原因是虽然骑在高频上，但蓝牙(Bluetooth)波的振幅并没有太大的强度来穿过物体、墙壁和其他类似的障碍物。所以一般可以说，在限制范围内使用蓝牙(Bluetooth)耳机或扬声器是安全的。但长期接触可能会导致健康问题。
我们生活在一个几乎所有事物都依赖于无线电波的世界——从婴儿监视器到通信、娱乐到GPS等等。到目前为止，我们还不能用任何其他通信媒介代替无线电波。与其他形式相比，蓝牙(Bluetooth)辐射对健康的影响要低得多。虽然未来可能会看到一些替代方案，但我相信人体会适应充满无线电波的世界——或者对它做出反应！
阅读下一篇(Read next)：WiFi 辐射的危险(Dangers of WiFi Radiation)。
Is Bluetooth Radiation harmful to humans or is it safe?
Whеn writing about cell phone radiation, we said that it is better to use a wired or Bluetooth device ѕo that you are not affected by cellphone radiation. Queѕtions arise that since Bluetooth communication too, is a form of radio communication, shouldn’t there be somethіng cаlled Bluetooth radiation. Is Bluetooth radiation also bad for humans? Is it as worse as in the case of cellphones?
Is Bluetooth Radiation harmful or safe
When speaking of cellphone radiation, we are talking about high-frequency radio waves that start from your cellphone and have to go through a maze of cellphone towers before your voice actually reaches the person whom you called on the phone.
In case of Bluetooth radiation, the waves start from one of your devices that is directly connected to another Bluetooth device. The good thing about Bluetooth is that its range (distance) is small. Working on extremely high frequencies, these waves cannot penetrate a concrete wall. It is usually a few meters in case of Bluetooth radio waves. Thus, the danger of Bluetooth radiation, if any, is reduced to a small area.
This is in contrast to a cellphone. When you make a call, the radio frequencies should be powerful enough to reach a cellphone tower. With cellphones, you need one or more cellphone towers for making a call or sending data over the cellphone Internet. Thus, cellphone radiation is riskier compared to Bluetooth. For knowing how radio waves affect humans, read our article on the dangers of cellphone radiation.
Much has been studied about the potential of a different range of radio waves to ascertain health problems. A cellphone-in-use is dangerous. The study on Bluetooth radiation has so far, given varying results. But if you apply logic, Bluetooth cannot be much harmful as it works in a small area, doesn’t require powerful radio antennas, and thus reduce the radiation. The studies conducted by Food and Drugs Administration (FDA) mark Bluetooth as no-danger.
“The majority of studies published have failed to show an association between exposure to radiofrequency from a cell phone and health problems”, says FDA on Bluetooth radiation
“Headsets can substantially reduce exposure since the phone is held away from the head in the user’s hand or in approved body-worn accessories.”, – FDA
The same studies have shown that Bluetooth radiation effects would be a thousand times less than talking into cell phone directly. In the former case (where you are using a Bluetooth earphone), your phone is not directly touching any body part. Of course, wired earphones will be safer than Bluetooth data transfer, but I do not recommend them as they would block out external sounds that are necessary when driving and doing similar things.
Bluetooth Radiation: Summary
There is no proof that Bluetooth radiation can be dangerous to humans. Most Disease Control Centres mark Bluetooth as safe. The main reason is that though riding on high frequencies, the amplitude of Bluetooth waves don’t have much strength to pass through objects, walls, and other similar obstacles. So one can generally say that using Bluetooth headphones or speakers is safe if used within limits. But long-term exposure could potentially cause health issues.
We’re living in a world where pretty much everything is dependent on radio waves – from baby monitors to communications to entertainment to GPS and more. We can’t – as of now – replace radio waves with any other medium of communication. Bluetooth radiation health effects are much lower compared to other forms. While the future may see some alternatives, I believe that human bodies will adapt to the world full of radio waves – or react to it!
Read next: Dangers of WiFi Radiation.
