The widget below matches the wavelength of light (in nanometers) to a particular color of light. Explore by entering various values between 400 nanometers and 700 nanometers. Values outside this range are not visible and therefore not associated with human-perceived color.
Researchers have documented the benefits of a regular practice of simple, deep breathing (1,2,6), which include: 1  Reduced anxiety and depression. 2  Lower/stabilized blood pressure. 3  Increased energy levels.  Muscle 1  relaxation. Decreased feelings of stress and overwhelm.
Some of the most popular relaxation techniques include breathing exercises, visualization, and yoga. Progressive muscle relaxation (PMR) is another common coping skill that has been found to help relieve feelings of stress and anxiety. What is PMR? An American physician, Edmund Jacobson, was the first to develop PMR in the 1920s.