If you are stressed out it can impact your blood pressure & repiratory rates. By just gazing at the color green, however, you can lower both of these scores in just 3 minutes.
According to studies at the Center for Health Systems & Design at Texas AandM University, just gazing at the color of green (walls, photos, flowers, etc.) lowered both of these important health scores.
Reseachers say it is because we have a strong physiological reaction to this colors, associating it wit the outdoors.