Why the need to purify air which |
"People dont eat can live for five weeks, do not drink water can live for five days, but if there is no air, but even five minutes not live. People often ask, developed economy and science and medical advanced today, some unheard of that strange disease? Why such as SARS and bird flu to come; why cancer, leukemia and more people, and attained trend? These besides peoples diet and lifestyle, there is a relationship between outside, polluted air is also makes us ill. The world health organization (WHO) confirmed that formaldehyde causes cancer, cause children leukaemia. City childhood leukemia patients, 90% of the family had a year interior decoration!!!!! China standardization association survey showing that 68% of the disease is because indoor air pollution! American experts testing found in indoor air, existing in 500 DuoZhong volatile organic compounds, including carcinogenic substance is DuoZhong 20, 200 DuoZhong pathogenic viruses, the harm of the larger basically have: radon, formaldehyde, benzene, ammonia, etc. The indoor air pollution degree than outdoor serious 2-5 times, sometimes can be up to 100 times. The United States and other developed countries have already will indoor air pollution is harmful to human health as the five big environment factors. |
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