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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.
Summary. 1  Shallow, upper chest breathing is part of the typical stress response. 2  The stress response can be reduced by consciously breathing using the diaphragm. 3  Abdominal breathing helps to control the nervous system and encourages the body to relax, bringing about a range of health benefits. 1  Breathing is an automatic function of the body that is controlled by the respiratory centre of the brain. When we feel stressed, our breathing rate and pattern changes as part of the âfight-or-flight responseâ.