Is the greater the amount of negative ions, the better?portable air purifier sales

　　Question: The various types of negative ion air purification products on the market now have more and more publicity, and some even have 50 million to 100 million. Is the bigger the better?

　　Yaneng Environmental Protection: Since we call negative ions as "vitamins in the air", it is certainly not the larger the quantity, the better. Negative ions will neutralize the positive ions in the air, resulting in dust deposition (black dust will appear around the negative ion generator after a period of time). Similarly, long-term inhalation of large amounts of negative ions may cause normal human alveoli to accumulate carbon black , Resulting in obstructed breathing and poor physical fitness (except for the natural high concentration of negative ions in nature). Second, strong electromagnetic radiation may interfere with the normal frequency of the human body. Of course, with the advancement of technology, perhaps we can use more advanced negative ion products with almost no secondary pollution.

　　Normal people generally feel soft, weakened, and have varying degrees of discomfort after 1 hour of use. There is only one patient with high blood pressure who has no abnormal feelings and feels preference. Moreover, the sensory conclusions obtained by different groups of people and using different high-concentration artificial negative ions are consistent. German and American scientists have begun to pay great attention to the proliferation of negative ions produced by high pressure coils. Scientists in the former Soviet Union have also questioned and warned about negative ion products. According to our observations in recent years, some special patients, such as those suffering from "three highs" symptoms, can use negative ion products appropriately for long-term smokers, which can relieve some blood pressure, while normal people use high-concentration artificial negative ions as little as possible.

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