The term energy is used by writers and practitioners of various esoteric forms of spirituality and alternative medicine to refer to a variety of phenomena. == History == Various distinct cultural and religious traditions postulate the existence of esoteric energies. Some spiritual practices, such as Qigong or traditional yoga, are said to open or increase this innate energy, and the philosophy behind certain martial arts state that these energies can be developed and focused. A number of New Age spiritual practices and alternative medicine modalities rely upon such ideas, without the mor...

Bioenergetics is a field in biochemistry that concerns energy flow through living systems. This is an active area of biological research that includes the study of thousands of different cellular processes such as cellular respiration and the many other metabolic processes that can lead to production and utilization of energy in forms such as ATP molecules. == Overview == Bioenergetics is the part of biochemistry concerned with the energy involved in making and breaking of chemical bonds in the molecules found in biological organisms. It can also be defined as the study of energy relationships...