When we die it goes back to dust. In the Word we find that the low entity spirits of the negitive dark realm are lurking about to see whom they can devour. Through our thought life for this is their area since the soul is spirit origin and hooks up to the brain like computer functions. If you understand the principal of negitive and positive you will get your answer. Meditation gets those seritonin chemicals released which sends us into a 'positive'mood.
Deep breathing brings energy to our every cells.
These little atoms of energy is what keeps us alive and is very positive and some beleive that if directly aplied to some infections the infections will die off radically fast. Acupuncture is like little electic rods that connect to this same life energy and move it flowing evenly about and through the body. This can also be done with out the needles if your learn the way to raise your own energies and move it about on regular bases. All these things are in the positive flow of energy. So how many of us practice these steps and this isnt even all the steps to a positive energy flow in our spirit, soul, and body.