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Do me a favor and deduct 20 points from the text message.

Mobile phone radiation is inherently harmful to the human body (when using a mobile phone, the mobile phone will emit radio waves to the transmitting base station, which will be absorbed by the human body more or less, and these radio waves are mobile phone radiation).

When the mobile phone is in standby, the radiation is small, and it is bigger when talking, but the radiation is the largest when the mobile phone number is dialed but not connected, and the radiation amount is about three times that of standby. These radiations may change human tissues and adversely affect human health.

When answering the phone, it is best to put the phone away from your body and then put it in your ear. In addition, try not to chat with your mobile phone, and be careful not to put your mobile phone on the pillow when you sleep. Cell phone radiation is harmful to people's heads. It will cause dysfunction of people's central nervous system, causing headaches, dizziness, insomnia, dreaminess, hair loss and other symptoms, and some people will have a sense of irritation on their faces.

Also, don't hang your mobile phone on your chest. Hanging on the chest will have a certain impact on the heart and endocrine system. Even in the standby state with less radiation, the electromagnetic wave radiation around the mobile phone will cause harm to the human body. People with cardiac insufficiency and arrhythmia should pay special attention not to hang their mobile phones on their chests. Some experts believe that electromagnetic radiation will also affect endocrine function, leading to menstrual disorders in women. In addition, electromagnetic radiation will also affect normal cell metabolism, leading to the disorder of metal ions such as potassium, calcium and sodium in the body.

In short, cell phone radiation is very harmful to human body, so use it as little as possible. ...