Mike Crimmins

Theresa Crimmins.

When someone sneezes, do you say, “Bless you?" “Gesundheit?” “Excuse you?” Either way, you might be saying a lot more of it in the future.

If you’ve been thinking that this year’s allergy season seems to be worse right now, that's probably because it is. And the culprit is climate change.

The Show spoke with Theresa Crimmins, director of the USA National Phenology Network at the University of Arizona, to learn how the climate is affecting seasonal allergies.

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