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Hay fever season is descending, and for the unlucky among us who develop seasonal allergies, it might feel worse than usual this year.
Climate change is thought to be driving a significant increase in grass pollens, which is the most common cause of hay fever in New Zealand.
While for some spring and summer simply brings on a few sniffles - for others, especially asthmatics, the cold-like symptoms are enough to disrupt work or social activities.
Allergy New Zealand chief executive Mark Dixon speaks with Susie Ferguson.
