Diaphragm, Vagus Nerve and Stress: What Your Breathing May Be Telling You

This does not mean that one breathing exercise can cure disease or “reset” every problem in the body. But it does mean that shallow breathing, chronic tension, poor posture, and stress may affect how the body feels day after day.

What Is the Diaphragm?

The diaphragm is a dome-shaped muscle that separates the chest from the abdomen. It is one of the most important muscles for breathing. When it contracts, it helps pull air into the lungs. When it relaxes, air moves out.