The Mystery of the Nasal Cycle

Have you noticed one nostril feels more open, then later it switches?

That’s usually normal and it has a name. It’s called the nasal cycle your

nose naturally alternates airflow between sides. Inside your nose are structures called turbinates.

They can swell slightly on one side while the other side relaxes. This is controlled

automatically by your nervous system so you don’t consciously switch sides. Many people notice

it more when lying down, because blood flow and pressure can change which side

feels tighter. It’s usually not a problem unless it comes with pain,

severe blockage, or doesn’t change over long periods. Today’s Daily Explainer is up and