 And the other is how stress affects your body. As a doctor, I'm more interested in how it affects your body. Sure. So the way stress affects the body is this. When a person's under stress, the body transposes the stress into tension. Okay. And your muscles end up contracting. And everyone feels that in their upper back and neck. You feel the tightness? Right. As a doctor, I'm more concerned about the muscles that you don't feel, such as the muscles in the arteries.