I a book by Mantak Chia "Wisdom Chi Kung" I found this simple statement,
"Many meditations do not produce healing energy"
supported by research done at some German University in collaboration with Chia. The reason given is that most meditations focus on the head-brain and leave out completley what he call the gut-brain.
He maintains that the Taoist Inner Ssmile meditation allows the earth energy to travel from the lower Dantien up the central Tai Chi channel to the upper Dantien, connecting heaven and earth and access or release huge energy reserves.
Using the Taoist Inner Smile meditation, done by Chia, had a significant effect on the level of brain energy, rising from 60 units to 6000 units, a level the researchers said was impossible to contain. (Note that Chia has practiced this for decades).
