I work with a lot of people with chronic symptoms and anxiety is one of the top things I see in many patients. What many people don’t realize is that anxiety alone can create physical symptoms in the body like pain, digestive issues, headaches, muscle aches, fatigue, etc. Anxiety works through the brain which then can affect all the other systems of the body. As a result, you can see a multitude of different symptoms. Here is an article describing some of the effects of anxiety on the body.