Every substance in this universe comprises of energy. Everything you speak and let out in the universe, is a sign of energy. it can be used to specify whether it is negative or positive. So mantras are basically chants that are used to call god, and stimulate the positive flow of energy. Here is the shloka that defines this statement:
Meaning that, the whole universe is ruled by the Devas and are under the power of Mantras. The deities are also a part of this energy world, Shiva being the supreme source of energy and Shakti, its conscious form. Different energy forms called the Panchabhootas include the ether, air, water, fire and earth elements. The existence of these elements in the human body and as well as in the atmosphere facilitates the flow of energy between them.
The way mantras effect our body has its own science. Each organ has its own ability to absorb and emanate energies. Impropriety in the process of consuming and emitting energies can lead to dysfunctioning of the organs and lead to some diseases.
But there is a proper way to chant the mantra, here how it goes:
This is important to maximise the benefits of the mantra and take full advantage of it.
The curative power of the mantras, is not restricted to the domain of physical illness. It can also be extended to
All these ailments (or deficits) are ruled by different deities. And the mantra so recited, is addressed to the respective deity to invoke the grace and ameliorate the sufferings of the patient. Shiva mantra addressed to Lord Vaidhyanath (God of health) is chanted for the cure of diseases, Lakshmi mantra for wealth and so on.
There are certain preparatory conditions before the commencement of the healing process.