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    Scientists and researchers believe climate change is worsening the allergy season. Professor Cecillia Heredia from Simon Fraser University said there are many environmental factors that lead to the overproduction of pollen. This includes the rise in temperature which will then trigger allergic reactions in some. 

    Heredia explained “It’s a complex system that brings together the temperature, CO2 levels and also precipitation; all of these environmental factors come together and the plants respond to them by starting their flowering season and throwing their pollen in the air earlier and in larger quantities,”

    A study conducted by the University of Wisconsin found between 1990 and 2018, pollen activity increased by 21 per cent across North America. They also found that the average allergy season was extended by 20 or more days over the last three decades.

    For more information about the source click HERE