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.
Benefits of Deep Breathing for Anxiety. Deep breathing has become one of the most popular relaxation modality today because of its benefits. It does not take much to inhale air slowly through the nose and then exhale out in a similar slow manner. Deep breathing assists in keeping the diaphragm muscles fit and flexible as well.
Some of the most popular relaxation techniques include breathing exercises, visualization, and yoga. 1  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.