A nurse (rarely medic) is a healthcare professional, who along with other health care professionals, is responsible for the treatment, safety, and recovery of acutely or chronically ill or injured people, health maintenance of the healthy, and treatment of life-threatening emergencies in a wide range of health care settings.

Nurses may also be involved in medical and nursing research and perform a wide range of clinical and non-clinical functions necessary to the delivery of health care. Nurses also provide care at birth and death. There is currently a shortage of nurses in the United Kingdom, United States, Canada, and a number of other developed countries.

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