What is the significance of the ancient Greek word "pneuma" in relation to the concept of breath in philosophical and medical contexts?

The ancient Greek Word "pneuma" holds significance in both philosophical and medical contexts as it represents the concept of breath as a vital life force. In philosophy, "pneuma" is associated with the idea of a universal breath or spirit that animates all living beings. In medicine, "pneuma" is linked to the belief that breath is essential for maintaining health and vitality.