Do you have a good answer why asthma seems to be increasing in this country?

Yeah, no, it's an important question.

I think in my lifetime, I'll say, and I think yours too, asthma has gone from being uncommon when I was a child to actually it's common now.

In any setting where there are children, those people are likely to be dealing with asthma.

The big change really happened from kind of about 1980 to 2000.

That's when the biggest surge happened, about a doubling of how many kids had asthma in the U.S., There are a few considerations or potential explanations around this.

You know, one overarching theme or concept is actually kind of the popularity and growth of urban areas.

And