Medically reviewed by Steffini Stalos, DO Key Takeaways The oxygen desaturation index (ODI) measures how often and how much your blood oxygen level drops while you sleep.A normal ODI is fewer than ...

A nasal cannula is a medical device that provides supplemental oxygen therapy to people who have lower oxygen levels. There are two types of nasal cannulas: low flow and high flow. The device has two ...

Oxygen therapy can help treat cluster headaches. However, current research does not support its use for migraine and other headache types. Oxygen therapy involves breathing in air that contains 100% ...