<unk>  can help to ease shortness of breath in people with a variety of lung problems. It can be used effectively during asthma attacks to slow breathing and reduce the work of breathing. Physicians, nurses, physical therapists, occupational therapists, and respiratory therapists teach this technique to their patients to ease shortness of breath and to promote deep breathing, also referred to as abdominal or diaphragmatic breathing. The purpose of<unk>  is to create back-pressure inside airways to splint them open; moving air thus takes less work. Breathing through<unk> <unk> s on both exhalation and inhalation is one of the signs that health workers use to detect possible chronic obstructive pulmonary disease (COPD) in patients. COPD Canada suggests that using<unk>  has positive effects in treating stress- and anxiety-related disorders.
Pursed-lip breathing
Obligate nasal breathing
Kussmaul breathing
Mouth breathing
Liquid breathing
Expiratory apnea
Shallow breathing
Periodic breathing