If you are feeling stressed, taking a walk can generally reduce the pressure, and will frequently bring a new perception to the situation. The simple act of going for a walk, enables you to have a change of surroundings, often allowing you to be more cognisant or take a different point of view. As you take a walk, try to be aware of the sensations within your body, such as the motion of your feet or your breath. Avail yourself of the opportunity to take a walk, be more conscious, and refocus on the important things in life.
If you are feeling stressed, try walking it off so that you may refocus.