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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.
In their eight substantive chapters, the authors discuss several techniques of deep breathing to reduce stress and anxiety. They start off with three basic approaches which provide the building blocks for the others: