Worldwide, pollen is a problem that impacts people’s lives yearly. The type of pollen varies country to country, and part of season, but grass pollen is a major problem worldwide. In the Nordics the most common allergenic pollen is from birch, alder and hazel. The allergic reaction that arises is mainly due to the fact that pollen is periodically present in large quantities. Birch and grass e.g. are wind pollinated, which means it is spread with the wind. Warmer temperatures and higher levels of CO2 make ...
By NoseOption AB based in Stockholm, SWEDEN.
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