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03/18/2021 05:53 AM Weathernews
Cedar pollen is said to have the greatest effect on the body. However, the survey results show that urban areas, where the area of sugi plantations must be small, have a higher proportion of patients with pollinosis than rural areas.
We asked Mr. Chikashi Shigemasa, Public Relations Group, Corporate Communication Office, Daikin Industries, Ltd. about the reason and difference in pollen characteristics between urban and rural areas.
Urban air is said to have more automobile exhaust gases than rural areas, which promotes the production of allergy-causing antibodies in the body and, as a result, duplicates allergic symptoms.
In urban areas where most of the ground is covered with concrete or asphalt, pollen is not absorbed by the ground and rises into the air many times in response to the wind. On sunny, windy and dry days, it tends to be “widely scattered”. As a result, adjuvant substances tend to adhere to pollen, further aggravating the symptoms of hay fever. “(Mr. Shigemasa)
In addition to pollen, allergens such as mites, mold, dust, and pet hair appear to be exacerbated when inhaled along with adjuvant substances.
“People who think it’s okay because they haven’t had any hay fever symptoms should be careful. Adhering adjuvants to pollen increases the risk of developing hay fever due to lack of resistance. Because there are occasions.
An unaffected person can be compared to a seesaw with a good balance of “resistance” and “pollen.” The picture is that the addition of an adjuvant substance alters the balance that was maintained and causes pollinosis. Even people who have not developed hay fever do not know when they will have hay fever. “(Mr. Shigemasa)
The number of places exceeding the cedar pollen peak will gradually increase, but even after the cedar has finished, the cypress pollen will start to fly and the large-scale dispersal period will begin in April. Especially in the city, take stricter pollen measurements to reduce symptoms as much as possible.
