Inedia refers to the physiological ability to live without eating food. There are many synonyms for the word, some of which include "breatharianism," "prana," "sustenance-free" and "living on light." Breatharianism stems from the belief that people can survive solely on prana or the life force of the universe. Sustenance-free refers to the idea that someone can live without needing food, while living on light suggests that people can subsist on energy from the sun. The concept of inedia is often associated with meditation, spiritual practices, and a deep connection to the natural world.