Anxiety is a very common non-motor feature of PD, and symptoms of PD can worsen in the presence of stress and anxiety. Unlike stress which is fueled by external sources (such as work, family tension, finances, etc.), anxiety is fueled by internal forces and can persist when all external causes of stress have been resolved. Anxiety in PD may need to be treated with medication in order for a person to regain his/her quality of life. But there are also a number of lifestyle modifications that may be very helpful. Check out more of this blog post, including a list of resources, from the American Parkinson Disease Association.