The specialist ran some tests. Breathing tests. Allergy panels. Inflammation markers.
When the results came back, he sat me down with a serious look on his face.
"Margaret, you have a severe dust mite allergy," he said. "But I need to explain what that actually means. Because it's not what most people think."
he told me I wasn't allergic to dust.
And I wasn't even allergic to the mites themselves.
I was allergic to their droppings.
He explained that dust mites — microscopic creatures too small to see — live in mattresses, pillows, couches, and carpets.
Millions of them in an average home.
And every single day, each mite produces around 20 tiny fecal pellets.
"These pellets contain a protein called Der p1," he said. "And this is what's attacking your airways."
Then he said something that stopped me cold:
"Der p1 is a toxic allergen. It doesn't just cause sneezing and congestion. It actively damages the lining of your airways."
He explained that Der p1 breaks down the protective barrier in your nose, throat, and lungs. It creates constant, low-level inflammation — even when you don't feel symptoms.
"Every night you sleep in that bed," he said, "you're inhaling thousands of these particles. And they're not just irritating you.
They're causing cumulative damage to your respiratory system."
He told me that over time, this constant exposure can lead to chronic airway inflammation, worsening asthma, and permanent changes to how your lungs function.
"A single mite leaves behind over 1,400 fecal pellets in its lifetime," he said. "In your mattress alone, there could be over a million mites.
That means millions of these toxic particles — right where you put your face every night."
I felt sick.
"And here's what most people don't understand," he continued...