Oct 6, 2026 · 34 min · 14 segments
Why is asthma more common in boys than girls? Does growing up with a cat reduce the risk of getting asthma? Should kids with asthma exercise? Asthma is one of the most common childhood conditions in…
Adam JaffeGuest
Sophie DelezioHost
Um, but, uh, about 20 years ago, we were trying to get rid of the term asthma because, um, it has evolved, and our understanding of what we think, um, is going on in the lungs, um, has really, has, has really changed with our knowledge.
But essentially what happens is that, um, if you imagine our lungs, th- th- they're like trees.
So you've got a maj- major big airway, the trunk, uh, the trachea, the breathing pipe, and then it splits, uh, into two lungs, and there are 22 branches.
What happens in asthma, um, is that, uh, there's usually a trigger, um, and our airways look like this, like a hose pipe, and what happens is there's a trigger, the airways will shut down.
Um, so if you imagine a garden hose, you know, as a kid you're, you're always pressing your thumb on a garden hose-
... and you, you, you don't, you're impressed because it, it doesn't take much pressing to, for the water to drop-
Um, but, uh, about 20 years ago, we were trying to get rid of the term asthma because, um, it has evolved, and our understanding of what we think, um, is going on in the lungs, um, has really, has, has really changed with our knowledge.
But essentially what happens is that, um, if you imagine our lungs, th- th- they're like trees.
So you've got a maj- major big airway, the trunk, uh, the trachea, the breathing pipe, and then it splits, uh, into two lungs, and there are 22 branches.
What happens in asthma, um, is that, uh, there's usually a trigger, um, and our airways look like this, like a hose pipe, and what happens is there's a trigger, the airways will shut down.
Um, so if you imagine a garden hose, you know, as a kid you're, you're always pressing your thumb on a garden hose-
... and you, you, you don't, you're impressed because it, it doesn't take much pressing to, for the water to drop-
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